The quadrilateral shown is a rectangle. What is m∠MJN?

A) 24°

B) 31°

C) 66°

D) 90°

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.

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2