If you change the units of one of the variables, the value of correlation will increase or decrease?

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

Select the graph of the solution. click until the correct graph appears. |x| = 3

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)