Danielle owes her brother $40. She pays him $25. Write an integer to represent how much she still owes her brother. Explain how you solved

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

Solve 2^x=32 and rewrite this equation in a logarithmic form

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