Rapid rental car charges a $40 rental fee, $15 for gas, and $0.55 per mile driven. For the same car, Capital cars charges $35 for rental and gas and $0.65 per mile. For how many miles is the rental cost at both companies the same?

2-digit numbers less than 91 which are 1 less than a multiple of 10

With: label the vertices and all the elements needed. find x

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)