9. a company’s marginal cost function is where x is the number of units. find the total cost of producing units 144 to 625.

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x. which term can she add to the polynomial that would not change its grestest common factor? check all that apply

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

If you are just building your payment history, how many points from a perfect score will you possibly miss?