Let Q(x) = x3 - 8x2 - 11 and R(x)= 8x2 + 4x - 6. Add the polynomials functions, as indicated below. (Q + R)(x)

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?