Siw er fjerdeparten så gammal som mor, og Mona er femteparten så gammal som mor. Mor er 22 år eldre en dei to jentene til saman. Kor gamle er kvar av dei?

Select the number of ways in which a line and a circle can intersect

Drag each equation to the correct location on the table. for each equation, determine the number of solutions and place on the appropriate field in the table.

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)