Quadrilateral ABCD has coordinates A (3, 5), B (5, 2), C (8, 4), D (6, 7). Quadrilateral ABCD is a (4 points) a rectangle, because opposite sides are congruent and adjacent sides are perpendicular b square, because all four sides are congruent and adjacent sides are perpendicular c parallelogram, because opposite sides are congruent and adjacent sides are not perpendicular d rhombus, because all four sides are congruent and adjacent sides are not perpendicular

Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’s

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

I’m not good at math can i have ? ?