If we already know that XY=WZ, which additional fact would prove that quadrilateral WXYZ is a parallelogram?

What values of data might affect the statistical measures of spread and center

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.

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?