Determine whether the situation is linear or nonlinear, and proportional or nonproportional. Joanna is paid $10 per hour. The situation is (select) and (select) .

Asphere has a diameter of 10 in. what is the volume of the sphere?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

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