Kate used 30% off coupon to purchase a sweater. If she saved $14.40, what was the original price of the sweater?

Acabinmaker buys 3.5 liters of oat varnish the varnish cost $4.95 per liter what is the total cost of 3.5 liters

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point

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