Find the length of each side

due today!!

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

The amount of data left on the cell phone six gb for 81.5 gb of data is used how much data is available at the beginning of the cycle

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?