Which is a perfect square?

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?