What is 8(3 + a) = 64
a =

Answer: a = 3

Step-by-step explanation:

During the 1860s, the pony express delivered mail between San Francisco, California and Denver, Colorado. The riders where able
to cover about 245 miles per day before they would stop and rest. The trip between San Francisco and Denver takes 2.6 days.
Using this information, how many miles is it between San Francisco and Denver?

A)
94 miles

B)
595 miles

C)
632 miles

D)
637 miles
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Arestaurant bill is $25, and a 20 percent tip should be given to the waiter. Which expression can be used to find the total
amount that will be paid?
O $25x 0 02
O $25x020
O $25x 1.20
O $25x 2 00
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which expresion is equivalent to 2(t - 4) + 1?

I NEED THIS ASAP I HAVE TROUBLE WITH IT PLEASEEEEEEEEEEE!!!!!!!!
WORTH 25 POINTS !!!!!!!!!
SHOW ALL WORK FOR EXTRA POINTS PLSSSSSSS!!!!!!!

Mr . williams has a piece of rope that is 22.5 meters long . he wants to cut it into
pieces that are 1.25 meter long . how many pieces of rope will he have?

Lashonda has scored 69 , 65, and 77 on her previous three tests. What score does she need on her next test so that her average (mean) is 69?

Which of the ratios below is equivalent to 2:3? Select all that apply.

A) 9:6
B) 10:15
C) 8:12
D) 4:5
E) 20:30

The ratio of males to females in the class is 5 to 9. If the lunchroom has the same ratio but 45 females, how many males are in the lunchroom?​

Sean places 21 tomato plants in rows. All rows contain the same number of plants. There are between 4 and 12 plants in each row. How many plants are in each row? its just for my younger brother

37. A researcher believes that students who practice taking all of their regular tests on the computer
will do better on the State's final exam which is on the computer than the students taking their
regular tests by paper and pencil. Which would be the null hypothesis?
a.
H: The average on the state exam of the students using paper and pencil tests is greater than or
equal to the average on the state exam of the students using computer tests.
b. H.: The average on the state exam of the students using paper and pencil tests is greater than the
average on the state exam of the students using computer tests.
c. H: The average on the state exam of the students using paper and pencil tests is less than or
equal to the average on the state exam of the students using computer tests.
d. H: The average on the state exam of the students using paper and pencil tests is less than the
average on the state exam of the students using computer tests.

Which situation best represents the equation below? 324-90x=250 A. Jamal has $324 in his bank account. He makes a payment to his gym every month. If he has payed his gym memeber ship for 5 months, how much is his gym membership per month if he now inly has $250? B. Sergios's parents deposit $90 every week to his checking account. If he started with $324, in how many weeks will Serigo checking account have $250? C. David spent $90 for a shirt and pants. If he only had $324, how much money will be left in his bank account? D. John has $324 in his bank account. He withdraws $90 each week. After how many weeks will he have $250 in his bank account?

Suppose that 45% of all babies in a particluar hospital are boys. If 8 babies born in the hospital are randomly selected, what is the probability that fewer than of them are boys?

Which expression is equivalent -8-(-12)


1. 8-12
2. -8+12
3. -8-12
4. -(8+12)

Need answers ASAP!!!!!!

VX
Mr. Chang's class has 28 students, 7 of whom are girls. Which equation shows how to determine the number of girls
in Mr. Chang's class?

Where is most of Earth’s fresh water found?

in the ground
near the poles
in lakes and streams
in the air as water vapor

- 4x +2=-22
X=?
Plz help

Where is the circumcenter of this obtuse triangle located? A inside the triangle B outside the triangle C on a side of the triangle D at a vertex of the triangle​

PLS HELP PLS HELP PLS HELP PLS HELP PLS HELP PLS HELP PLS HELP PLS HELP PLS HELP

YOU WILL GET 63 POINTS IF IT IS RIGHT

What’s 9 times 9

Just gave you 100 for free your welcome

My math teacher didn’t give us any instruction on this “quiz” I would really like if someone could help me!

what is 1/4(8+x+4) simplified using the distributive property

Solve for X: 6x+25=1

Find the values of the variables in each right triangle.​

Perform the following food service calculation.
No of diners = 240 Meat served = meat with little bone
Amount of meat required?
A. 840
B. 600
C. 69
D. 96​

Luisa received 108 for a necklace she sold on an online auction. The auction site took a fee of 10% of the selling price. What was the selling price of the necklace?

Elena uses 12 red beads to make 4 bracelets how many red beads will Elena need to make 12 bracelets

23) Which graph shows a proportional relationship between x and y? ​

help please don’t know!

Given the expression, 3(y + 1) + 2y, which of the following expressions is equivalent?
A
3y + 3

B
5y + 1

C
5y + 3

D
9y + 3

The line segment joining A(6, 3) to B(–1, –4) is doubled in length by having half its length added to each end. Find the coordinates of the new ends.
​

Kim has two babysitting offers for the same night. At the first job, she can babysit for 8 hours and
make $72. At the second job she can babysit for 6 hours and make $57. Which job pays more per
hour?