Calvin wants to buy for books at 4.89 dollars each estimate how much change will get back from two $10 bills

Write an explicit formula that represents the sequence defined by the following recursive formula:

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct

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