How many solutions does the system of equations have? a. no solution
b. one solution x=0, y=5
c. One solution x=1, y=4
d. Infinitely many solutions

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.