Which equation is equivalent form of 12(2^3x)=960 look at picture

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?

Simply 8x squared + 5(7x squared- x) - 2x =

Find the value of x for which line a is parallel to line b