Determine an equivalent expression for: cos (240°) A)cos(60°)
B) cos (300°)
C) cos (120°)
D) cos(-60°)

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

Fabian harvests 10 pounds of tomatoes from his garden. he needs 225 pounds to make a batch of soup. if he sets aside 2.8 pounds of tomatoes to make spaghetti sauce, how many batches of soup can fabian make?

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?