What is 13.5+5.7+36.5 using mental math

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

How do you solving the solution of each system using elimination?

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.