Professor Pietro has just developed a new super ball and you have been asked to test its rebound capabilities. From your experiments you have learned that if you drop the ball from a height of 250 centimeters the first bounce will be 225 cm on average.

Can someone me out here and the tell me the greatest common factor

Can someone me with these two circle theorem questions asap?

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)