Choose the expressions that are sums or differences of two cubes. 64 + a^12b^51
-t^6+ u^3v^21
8h^45 – k^15
75 – n^3p^6
-27 – xz^9

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

Bobby bought 1.12 pounds of turkey at a cost of 2.50 per pound. carla bought 1.4 pounds of turkey at a cost of 2.20 per pound. who spent more and by much?

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c