Find the area of a semi-circle that has a radius of 8 cm. image

A.
100.48 cm2

B.
200.96 cm2

C.
50.24 cm2

D.
25.12 cm2

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

Jackson earns $25 per hour as a tutor at the college library. he set a weekly spending budget of $130 each week and puts the remaining money in his savings account. how many hours must he work this week to have at least an extra $50 to put in his savings account

Julia spends $5.25 on gas for her lawn mower. she earns $13.00 mowing her neighbor's yard. what is julia's profit?