Albert paid for a meal and tax with a fifty dollar bill. The meal with tax cost 36.84. About how much money did he receive back

What aspects of lines have to be diffrent

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

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)