Keb wants to put a swimming pool in his backyard. He buys a square tarp to go under it. The circumference of the pool is 48 feet. The tarp is 16 feet on each side. Is the tarp large enough to fit entirely on the tarp? What percent of the tarp is covered?

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)