2questions worth 50 ! q1 bill works at a golf course and gets paid hourly. the table shows the amount he is paid for different numbers of hours worked. find the unit rate of the table to determine how much bill is paid per hour. q2 write the equation for a line thta has a rate of change of -3 and passes through the point (3, -5).

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)