CotAcotBcotC+ cos(A+B + c)/sinAsinBSinC

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?

Jonathan puts $400 in a bank account. each year the account earns 6% simple interest. how much interest will be earned in 5 years?

1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction form.