Joe borrowed $6,000 from the bank at a rate of 7% simple interest per year. How much interest did he pay in 4 years?

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

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?

Which function has the domain x> -11?