Which graph represents the following system of inequalities?

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

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?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.