In a experiment, d is the control variable, c is the response variable, and b and a are extraneous factors. the specific units of __ are referred to as the treatments of the experiment.

i'm assuming that it's c.)   volcanoes built the mountains and earthquakes tore them down.

the answer for the question that you are asking is 4

do a bckflip awfwgawgawggw

answer:

the answer is b) divide by -4 on each side and flip the sign.

step-by-step explanation:

we first need to start by dividing. this is because it is a multiplication problem to start.

we also need to make sure we flip the sign because any time you multiply or divide by negative numbers, the sign must be flipped.