A recipe calls for 1/2 lb of flour for 1 batch. How many batches can be made with each of these amounts ? Use decimal notation is necessary

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3

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)