If there are 50 floats in a parade how many ways can a first and second place trophy be awarded

What is the value of x in the figure below? if necessary, round your answer to the nearest tenth of a unit. 12 d 4 b оа. 3.1 ов. 6.9 ос. 4 od. 12

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.

If f(x) = 3x-2 and g(x) =2x+1 find (f-g)(x)