Help I need to turn this in in a hour

Jackson drew 4 hearts and 29 circles. what is the ratio of circles to all shapes?

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)

Is the ordered pair (-10, 7) a solution to the equation y = 17 – x? yes or no