There are 0.185 grams of sodium in a serving of chips. How many grams of sodium in 1.25 servings? I need help with this one

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

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.

Find the domain and range of the following function f(x) = 51x - 21+ 4