Evaluate this expression 12 x (3 +2^2): 2-10. *​

If square root x = -7, then x= -49 true or false

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=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