Find three positive numbers whose sum is 12 and the sum of whose squares is as small as possible.

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

Can someone me with these two circle theorem questions asap?

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.