Two-thirds of the students in jamie's homeroom ride the bus to school each day. suppose there are 27 student in the homeroom. write a fraction equivalent to 2/3 and has a denominator of 27. explain what the numerator in the equivalent fraction you wrote represent.

Which system of linear inequalities is graphed? can somebody please

Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81

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