Lauren brings fruit snacks to class one day. she gives 3/5 of them to her friends garreth, tammy, and camilla. if she gave them 22 fruit snacks , how many did she bring to class?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

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