Acartesian system, like a number line, is a tool you can use to give a
picture of equations and other mathematical objects.

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?

Find │–14│ a. 14 b. –14 c. start fraction 1 over 14 end fraction

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)