Meiko is hanging a picture-collage on her wall. It is in the shape of a parallelogram. How much wall area will it cover? A parallelogram has a base of 18 inches and a height of 28 inches.
156 in.2
252 in.2
504 in.2
576 in.2

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)