Todd is 33 years old; his nephew jacob is 12. in how many years will jacob be 1/2 his uncle todd’s age

Ineed to know the answer to this algebra question.

Find two consexutive odd integers such that the sum of their square is 650

The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.