Answer:
62.50
Step-by-step explanation:
(8,5) because (6,5) is distance 2 from (6,3). So (8,5) will distance 2 from (8,3)
Most graphing calculators will do weighted averages pretty easily. It is mostly a matter of data entry.
mx = -2
my = 10
(x, y) = (mx, my)/10 = (-0.2, 1)