MATHEMATICS
HIGH SCHOOL

Answer: 1,000,000 milligrams are in one kilogram.

COLLEGE

Use the echelon method to solve the following system of two equations in two unknowns 4x+7y=-25

2x-7y=-23

\begin{cases}4 x + 7 y = -{25} \\ 2 x - 7 y = -{23} \\ \end{cases}

MIDDLE SCHOOL

Which is equal to 5^4 • 5^8?

5^12 because 8+4=12 and 12 would be the new number

HIGH SCHOOL

Please help!!! What is 8% written as a decimal?

A. 0.008

B. 0.08

C. 0.8

D. 80

What is 48% of 180?

A. 8.64

B. 26.64

C. 86.4

D. 266.4

80 is 125% of what number?

A. 16

B. 64

C. 100

D. 164

Answer:

B

C

B

Step-by-step explanation:

1. Percent means out of 100

8% = 8/100

.08

B

2. Is means equals and of means multiply

W = 48% *180

W = .48 *180

W =86.4

C

3. Is means equals and of means multiply

80 = 125% * W

80 = 1.25 W

Divide each side by 1.25

80/1.25 = W

64

B

Answer:

B,C,B

Step-by-step explanation:

I DID THE USA TEST PREP TEST

MIDDLE SCHOOL

There are 12 months in 1 year. If Carrick is 11years d ,how many months old is he?

12x11=?

Multiply then that is your answer

HOPE THIS HELPS

Multiply then that is your answer

HOPE THIS HELPS

12 x 11=132 hope ths helps you