Given the cost function C(x) = 2x^3-3x^2+13x+5, find the minimum marginal cost.

Which of the following expressions is equal to 2x^2+8

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.