Jenny has finished 12 of the 20 lessons and her piano book what percent did she finish

What is the binomial expansion of (2x-3)^5

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?