The lengths of the sides of a square are multiplied by 2.5 . how is the ratio of the areas related to the ratio of the sides ?

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)