The answer would be 4 because your rounding to the whole. If your rounding to the tenth it would be 3.4
(a-b) (a^2+ab+b^2) is the factor of a^3-b^3
Number one is A (2.) Bill should ask Sam to pay $407.97 as interest for the cash advance (3)<span>a) 213.85 sorry I don't know number four =(</span>