Which of the following are square roots of the number below? Check all that apply. 400

C, D, E, F

Step-by-step explanation:

It can also be written as:

Sqrt(a) = a^½

So, for our case:

Sqrt(400)=400^½ or -400^½ or -20 or 20

Each of these numbers multiplied by itself will give you 400.

Answers: C, D, E, F

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x

2 apples

step-by-step explanation:

taking away equals subtraction. 6-4=2