How are would you write 9 using exponents?
9
3^2
3^3

Ineed someone to me answer my question i have to have this done and knocked out

Find the distance between the point (-3,-4), and (see the picture below)

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)