Find the product. if the result is negative, enter "-". if the result is positive, enter "+".

-7(- a^2 )^2 ( -b^3 )

A3x4x5 rectangular cuboid (e.g. a brick) is painted blue and cut into 1x1 cubes. what is the expected value for the painted sides of a randomly selected cube?

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion