Pinks vary inversely as yellows cubed. when there are 250 pinks, there're 5 yellows. how many pinks are present when there're 25 yellows?

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?