The product of the polynomials (2ab + b) and (a2 – b2) is 2(a^3)b - 2a(b^3) + (a^2)b - b^3 . If this product is multiplied by (2a + b), the result is a polynomial with ___ terms.

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.