How to find the quotient of r and 12

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

What is the slope of the line that has an equation of y equals x -3

Roger gets \$40 per day as wages and $4.50 as commission for every pair of shoes he sells in a day. his daily earnings goal is $112 write an equation to determine how many pairs of shoes, p, roger must sell in a day to meet his daily earnings goal. find the number of pairs of shoes he must sell to meet his daily earnings goal.