Please help is for now

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

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.