John bought 15 cookies and ate 3 of them. what percentage did he eat?

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

What power can you write to represent the volume of the cube shown? write the power as an expression with a base and an exponent and then find the volume of the cube

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?