If dh = 4x – 10 and fh = x + 8, find the value of x for which defg must be a parallelogram.

What is the solution of sqrt x+2-15=-3

Evaluate the expression for the given value of the variable 7a - 4a for a =8

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.