At a state senator rally in Atlanta, there are 13 Republicans, 20 Democrats, and 3 Independents in Atlanta. If a person is selected at
random, find the probability that he or she is either a Democrat or ar
Independent.

Which number line represents the solution set for the inequality -1/2x> 24?

Aadc is formed by reflecting aabc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of aadc is square units.

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)