Which formula can be used to find the nth term of the sequence 0.8, 0.72, 0.648

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Solve the system of equations y= 3/2 - 1, -x+ y =-3

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.