From the ground, a rubber ball is launched 60 feet into the air. The ball has a rebound ratio of 3/10. How far will the ball have travelled up and down after the first 6 bounces?

Easy points boii. read it. ya. fresh

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(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)