Find the measure of angle y. Round your answer to the nearest hundredth. (please type the numerical answer only) (6 points) A right triangle is shown with one leg measuring 7 and the hypotenuse is labeled 12. An angle across from the leg measuring 7

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)