Caculate the density of an object that has a mass of 10 grams and a volume of 20 cubic centimeters

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

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)

What is the length of ac in the given triangle?