Square RSTU dilates by a factor of 1/4 with respect to the origin to create square R'S'T'U'. If R'S' is 2 units, what is RS?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field