The radius of one sphere is twice as great as the radius of a second sphere. find the ratio of their surface areas. 1/2 1/4 1/8 1/16

Which three lengths could be the lengths of the sides of a triangle? 21 cm, 7 cm, 7 cm 9 cm, 15 cm, 22 cm 13 cm, 5 cm, 18 cm 8 cm, 23 cm, 11 cm

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.