I need help asap 7th grade math

1) 11 = c

2) 11 = p

3) 4 = -k

Step-by-step explanation:

I will not help you with every question, but I will help you with a few and explain the process so you can understand.

1 ) 15 = c + 4

11 = c

## Subtraction Property Of Equality (Subtract 4 from both sides)

2) 7 = p - 4

11 = p

## Addition Property Of Equality (Add 4 to both sides)

3) -2 = -k/2

4 = -k

## Multiplication Property Of Equality (Multiply both sides by -2)

the answer is a

step-by-step explanation:

because if you put 1 in to the square root of x it equals 300.