Simplify the expression. -4-5(9-2)
last year a colleges tuition was 45,000. this year, the tuition increased by 4% find the years tuition by using a percent greater than 100

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.