In which of the following expressions is the coefficient of term "x" 1? 2x2−3x+12 x squared minus 3 x plus 1

3x2−x−53 x squared minus x minus 5

2x2+x−92 x squared plus x minus 9

x2+2x+7

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.