The ratio of rock music to total cds that ella owns is 25/40. paolo has 50 rock music cds. the ratio of rock music to total cds in the collection is equal to the ratio of rock music to total cds in ella's collection. how many cds do they own?

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

How do i put 3(x+7) in distributive property

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?