Suppose a compact disk (cd) you just purchased has 15 tracks. after listening to the cd you decide that you like 6 of the songs. with the random feature on your cd player, each of the 15 songs is played once in random order. find the probability that among the first 5 songs played.

a) find the probability that among the first 5 songs played you like 2 of them.

b) you like 3 of them

c) you like all 5 of them

Find the power series expantion of f(z)=log(4=3z) at the point z=-1

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.

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss