Acell phone plan costs $30 per month for unlimited calling plus $0.15 per text message. if jordan's bill was $60 last month, how many text messages did he send?

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Convert (-3,0) to polar form. a. (3,0’) b. (-3,180’) c. (3,180’) d. (3,360’)

How can writing phrases as algebraic expressions you solve problems?