For n ? n, suppose that a ? n2n and |a| = n+1. prove that a contains a pair of distinct integers a, b such that a divides b.

What power can you write to represent the volume of the cube shown? write the power as an expression with a base and an exponent and then find the volume of the cube

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?

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11