The perimeter of a rectangle is 53 meters. the length is 2.3 meters longer than the width w. write and solve an equation to find the width of the rectangle.

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 number completes the inequality? 2/3 < _ < 7/9

If a is a nonzero real number then the reciprocal of a is