The CD Warehouse is having a clearance sale. A CD player that originally sells for $60 is now priced at $36. What is the percent decrease in the price?

Which representation has a constant of variation of -2.5

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

If value of cos330° is √3/2 then find tan165°.