Help it's due today​

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

Which is the graph of this function 3 square root of x plus one if

Whats the theoretical probability of popping a polka dot balloon? express your answer as a fraction, decimal and percent solid 15 polka dot 5 striped 17 plzz me due tomorrow