In angle PQR, PR is extended through point R to point S, mPQR = (3x + 12), mRPQ = (3x – 11)', and mQRS = (8x – 9)°. What is the value of x?

PLEASE HELP I WILL MARK BRAINLIEST

The number of electoral votes each state is assigned is determined by the size of its population every ten years. the chart shows the number of electoral votes california was assigned each decade of the past century. what is the 3rd quartile of the data?

On a architect's drawing of a house, 1 inche representa 1.5

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.