What is the exact volume of a cylinder whose radius is 8 inches and height is 5 inches

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry