Two similar cones have matching heights and radii whose lengths are in the ratio 5:1. Find the ratio of their surface areas.

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document

Use a transformation to solve the equation. w/4 = 8 can you also leave a detailed explanation on how this equation = 32