suppose that air is being pumped into a spherical balloon at a constant rate of 13 cubic feet per second. At what rate is the radius increasing

Hello! i hope this
since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.

Get 40 cups.u would say since the bowl and cups must be equal it would be 40