How many hours are in 186 minutes explained in as a mixed number or decimal

There are 60 minutes in 1 hour

and 186 divided by 60 = 3 remainder 6
which means you have 3 hours and 6 minutes

that will get you the mixed fraction of
3 6/60 which can be simplified to
3 1/10

B. 2 1/2 feet. multiply 2.5 inches by 12 to get thirty inches then divide by 12 to get 2.5 feet

Ineed on quadratic equations to solve problems