Pearl lives in Atlanta but spent 1⁄6 of the year in New York and 4⁄9 of the year in Los Angeles. What fraction of the year did she spend away from Atlanta?

Change negative exponents to positive. then solve. round to four decimal places

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)

Jennifer taking a quiz and has answered 13 questions so far. if there are 25 questions on jennifer test, how many questions does she have left to answer