Which value is equivalent to the expression 72 − 34?

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x

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)