0.5 is 30 minutes how do i work out more times e. g. how many minutes is 0.45 or 0.48 i don't know how to do it

Which formula gives the area of a triangle? a=1/2(b+h)

Why do interests rates on loans to be lower in a weak economy than in a strong one

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)