The price of an item has been reduced by 20%. The original price was $20. What is the price of the item now?

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

Sketch one cycle if the cosine function y=2cos2theta

I’m really confused and need your assist me with this question i’ve never been taught