∆abc is plotted on a coordinate plane. if ∆abc rotates 90° clockwise around point c, what are the coordinates of a'?

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase