Expand and simplify
4a^2(b^2-c)+2ab(ab-c)-ac(a+2b)

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

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