Solve this equation for a: a ÷ 2 = 4
a. 2
b. 8
c. 4
d. 6

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 slope of the line that contains the points (-2,1) and (0,-3)

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$