Jack's pancake recipe calls for 2 tsp baking powder and 3 c of flour.
how much baking powder is needed if jack uses 9 cups of flour?

Can someone me with the property questions for 12 13 and 14 plz

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 r i 4.5+10r=-6.5 with work pls