5 Mr. Berg bought 5 number puzzles and 3 word
puzzles for his students. The puzzles were $7 each.
Mr. Berg used a $60 gift card to pay for the puzzles.
How much change did he get?

Find the volume v of the solid obtained by rotating the region bounded by the given curves about the specified line. y = x â’ 1 , y = 0, x = 5; about the x-axis v = sketch the region. sketch the solid, and a typical disk or washer.