HELP! Write an equation in slope intercept form of the line that passes through (-7, 2) and is perpendicular to the graph of y= -1/2x+3

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.

What is the point slope form of a line with slope -5 that contains point (2,-1)