Asupport beam to be placed at a 28° angle of elevation so that the top meets a vertical beam 1.6 meters above the horizontal floor. vertical beam meets the floor at a 90° angle. law of sin: sin(a)/a=sin(b)/b=sin(c)/c approximately how far the vertical beam should the lower end of the support be placed along the horizontal floor a)3.0 meters b)3.4 meters c)3.9 meters d)4.4 meters

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62

Factor the expression using gcf 9b+45

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)