What’s the solution to this problem-5/2=3/4+n

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

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)

Aproportional relationship between the number of pounds of carrots (x) and the price in dollars (y) is graphed, and the ordered pair (8, 6) is on the graphed line. part a: what is the price of 1 pound of carrots? show your work. (8 points) part b: what will the ordered pair (16, 12) on the graph represent? explain in words.