3+-1/1/3 the first half is 3+-1 the second half is 1/3

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.

The perimeter of a regular pentagon is represented by the expression 35d-25. daryl correctly wrote expression to represent the one side of the pentagon

What is the foctored form of 9x²+7x+3?