A cone-shaped water cup has a diameter of 12 cm and an altitude of 8 cm. What is the volume of water that will fill the cup to HALF of its capacity? A 8 cm
B 48cm
С 96cm
D 144 cm

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Me because i don't understand how to do it.: )

The john deere company has found that revenue,in dollars, from sales of heavy-duty tractors is a function of the unit price p, in dollars, that it charges. if therevenue r is r(p)= -1/2p^2 +1900pa)how much revenue will the company generate if they sell 700 tractors? b) how many tractors does the company want to sell to maximize the revenue?