Find the area of the sector. Use 3.14 for the value of 5. Round your answer to the nearest tenth.

If kn = 9 cm, mn = 21 cm, rs = 42 cm, and ps = 18 cm, what is the scale factor of figure klmn to figure pqrs?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

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?