Option 1: $30 per month and $100 membership fee. option 2: $25 per month and $150 membership fee. michael is trying to determine which tennis club to join. if michael choose option 2 for which month will his total cost for option 2 be less than total cost for option 1? a. month 8. b. month 9 c. month 10 d. month 11

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?