Greg is opening a car wash. he estimates his cost equation as c = 9000 + 0.09x and his revenue equation as r = 1.85x, where x is the number of cars washed in a six-month period. find the number of cars that must be washed in a six-month period for greg to make a profit.

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.

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error

Rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.