Acircle has a radius of 8 inches. find the area of a sector of the circle if the sector has an arc that measures 45°.

2 sq. in.?
8 sq. in.?
16 sq. in.?

If you are just building your payment history, how many points from a perfect score will you possibly miss?

Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61

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