PLEASE HELP! S. O.S For what values of the variable is the rational expression undefined. q/ 2q^2 - 15q

What is the lcm of 16 and 40 ? 24 and 40 ?

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)

The graph shows how many words per minute two students read. drag to the table the unit rate that matches each graph.