One question, are they congruent figures?
The correct answers is 43.33%
So the slope is 200 as he gains $200 each day
and the y intercept is 500, since he receives the $500 only once
y = 200x + 500
16
Place in ascending order: 4 6 8 15 15 17 17 18 20 20
middle numbers = 15 and 17
(15+17)/2 = 16