Jane paid $40 for an item after she received a 20% discount. jane's friend says this means that the original price of the item was $48. how did jane's friend arrive at this moment?

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

2pointswhich of the following appear in the diagram below? check all that apply.d a. zcdeов. сеo c. aéo d. zdce

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.