Alana has a summer job opportunity at a local day camp for young children. If she takes the job, she will work 30 hours per week for 10 weeks and make $8 an hour after taxes. If she chooses not to take the job, she is free to spend the summer doing other activities she enjoys. What is the opportunity cost of not taking the job?

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?

Ascientist places 24 cells in a petri dish. she knows the cells grow at an exponential rate, doubling in number every hour. how long will it take (in hours) for there to be 1100 cells in the dish? time to 1100 cells: 5.51832530 hours how long will it take to reach 110 cells? time to 110 cells : 2.1963972 hours what is the average rate of change in the number of cells between 9 hours and 11 hours? average rate of change: cells per hour what is the instantaneous rate of change after 7 hours? instantaneous rate of change: cells per hour note: you can earn partial credit on this problem.

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air