Find the area of the figure

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

An entertainment firm offer serveral dj choices and light shows that range in price based on the rental time period. the djs cost between $219 and $369 per night and the light shows cost between $159 and $309 per night. if you are booking both a dj and a light show write a compound inequality that represents the possible total amount you would pay x