Not letting me type the question but its in the picture.

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120

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)

Which number completes the system of linear inequalities represented by the graph? y > 2x – 2 and x + 4y >