A bucket contains 26 baseballs. Some are regular baseballs and some are soft baseballs. Choosing a regular baseball and not choosing a regular baseball have the same number of favorable outcomes. How many soft baseballs are in the bucket?

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

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

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*