Use the properties of exponents to simplify

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?