In august, the simons' water bill was $48. in september, it was
15% lower. what was the simons' water bill in september?

Need same math paper but the back now i hope your able to read it cleary i need with hw

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)

Which of the following is the sum of 3 1/6 + 6 3/8?