There were nine roses in the vase. davy cut some more roses from her flower garden. there are now twelve roses in the vase. how many roses did she cut?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?