Ron is tiling a countertop. he needs to place 54 square tiles in each of 8 rows to cover the counter. he wants to randomly place 8 groups of 4 blue tiles each and have the rest of the tiles be white. how many white tiles will ron need?

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?