Using gcf and the distributive property, write two equivalent expressions for 30+45?

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

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

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52