PLEASE HELP Brandi needs to know how much fertilizer to buy for her garden at home.
To help Brandi find out how much fertilizer she needs for her garden, use
the scale drawing below to determine the area of her actual garden.
3 in
N
1.25 in.
Scale: 1 in. = 4 ft

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)