Which graph correctly solves the system of equations below?
x + y2 = 9
y = x + 3 (1 point)

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

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

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?