Felipe started to run on a treadmill after setting its timer for 66 minutes. the display says that he has finished 22% of his run. how many minutes have gone by?

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?

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?

What is the measure of one interior angle of a pentagon