A zamboni is cleaning the surface of the ice rink shown below. The figure is composed of a rectangle and two semicircles. If the truck cleans the entire surface, how many square meters will the truck clean? Use 3.14 for pi. a 78.5 square meters
b 139.25 square meters
c 130.24 square meters
d 414 meters

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?

Carla was trying to decide what to do saturday evening. she has $100 available to spend for the evening. she has narrowed her choices down to these events: braves game, a concert of an artist she likes, or the georgia aquarium. admission to the braves game is $25, hot dogs cost $10, sodas cost $5. the concert costs $25 for admission, $20 for a souvernir t-shirt, and $10 for a soda. the georgia aquarium has the show of a lifetime with an all you can eat and drink that costs $100. carla does not want to take any driving chances, so in addition to the cost of the aquarium, she will also need to pay for her uber/lyft, which is $15 each way. which option should carla choose if she wants to spend the least? based on that choice, what then is carla's oppotunity cost? fully explain your answer in at least one paragraph.

Simplify each expression. use positive exponents. show work . (x –2 y –4 x 3 ) –2