Answer:
New mean will be( 8 + 3 + 4 + 2 + 8) / 2
= 25/5 = 5 (old was 6)
New median will be 4 (old was 8)
Answer:

Step-by-step explanation:

He burned 500 cal. and the slope is 80 and 400
I think it’s D if not I’m sorry
(5,-1) because it would turn the points to their opposite "charge" and turn the positive to a negative and a negative to a positive