A radio station sends a signal in a circular area with an 160-mile diameter. Find the area that receives the signal.

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

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.

Find the values of y: 3y^3(y^2+ 2/3y)=0