Alocal farmer is using a rotating sprinkler to water some newly planted grass. the water sprays from the sprinkler in a circular area with a 105 foot radius.

what is the approximate area, in square feet, that the rotating sprinkler sprays with water? (use π = 3.14)

34,618 ft2

138, 500 ft2

440 ft2

660 ft2

If you could answer these your a life saver

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

Mr.zimmerman invested $25,000 in an account that draws 1.4 interest, compouneded annually. what is the total value of the account after 15 years