Find the L. C.M. of a3-1, a4+a2+1 and a2+a+1.

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?