Louis is a pizza delivery driver. He made $72 in tips on Friday night, and earns an hourly wage of $4. Create an equation to represent his earnings.

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)