what effect does a dilation by scale factor z have on perimeter of a parallelogram if z is not equal to 1

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

The ordered pair (2,-5.2) is located in quadrant iv

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?