Anyone mind helping?? for 10 points.‍♂️​

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.

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x

Which expression is the factorization of x^2+10+21