in 1965 a dress cost $30.00. Fifteen years later, the price had increased by 15%. How much more did it sell for fifteen year later?

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

Two numbers have a sum of -19. one number is x. what expression represents the other number?

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