Parent function y=3^x shift left 7units equation

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?