PLEASE HELP Solve this system by graphing on your own piece of graph paper:

x + 2y = 1 - 2x + y = - 7

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?

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|