Apples lose 85% of its weight while drying. How much fresh apples you need to get 10.5 lb of dried apples?

Which equation is represented by the graph below?

The statement tan theta= -12/5, csc theta=-13/12, and the terminal point determained by theta is in quadrant two

In the next 10 month,colin wants to save $900 for his vacation.he plans to save $75 each of the first 8 months. how much must he save each of the last 2 months in order to meet his goal if he saves the same amount each month ?