Assume that the radius rr of a sphere is expanding at a rate of 19 in./min.19 in./min. the volume of a sphere is v=43πr3v=43πr3. determine the rate at which the volume is changing with respect to time when t=5 min. t=5 min. assuming that r=4r=4 at t=0t=0. the volume is changing at a rate of

Simplify 6sin θsec θ. choices a) 6 tan θ b) 6 cos θ c) 6 cot θ d) 6

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

The manager at gabriela's furniture store is trying to figure out how much to charge for a book shelf that just arrived. the book shelf was bought at a wholesale price of $ 1 4 7 . 0 0 $147.00, and gabriela's furniture store marks up all furniture by 6 0 % 60%. at what price should the manager sell the book shelf?