If two shapes have the same area, must they have the same perimeter?

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?

What expression is equivalent to log3(x+4)

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)