I’m having a little trouble with trying to get the answer to 2x+(x-2)=-2-x-1

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?