Bella's cell phone costs $ 18 per month plus $ 0.15 for every minute she use the phone. last month her bill was $ 29.25. for how many minutes did she use her phone last month?

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Which expression is equivalent to -5(3x - 6/7)

Mama mia restaurant used 1 2 2 1 ? of their mozzarella cheese making pizza and the remaining 6 4 64 ounces making pasta. how many pounds of mozzarella cheese did mama mia start with?