Which of the following options have the same value as 40%, percent of 84?
Please Answer ASAP

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.

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?