at 7pm a burning candle is 16 inches tall. at 9 pm the candle is only 3.5 inches tall. at what rate is the height of the candle decrease?

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?

X-10/4 when x = –18 a 7 b –2 c –7 d 2

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2