The dry cleaning fee for 3 pairs of pants is $18.
a. what is the constant of proportionality?
b. how much will the dry cleaner charge for 11 pairs of pants?

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm

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)