Solve this equation: 2s + s + 12 = 132.
a. s = –30
b. s = 120
c. s = 9
d. s = 40

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

What are the solutions of the following system? y=-2x^2 y=x-2