The graph shows a school's profit P for selling x lunches on one day. PART B: The school wants to change the price of lunch so that when it sells more than 30 lunches in one day, it begins to make a profit. How much would the school need to charge for each lunch in this situation

Write the linear inequality shown in the graph. the gray area represents the shaded region. y> -3y+5 y> 3x-5 y< -3x+5 y< 3x-5

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

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides. should be his answer