4x + 4y = -8
-22 – 2y = 4

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.

The product of (7x-2) and (20-3x)/4. when x=4