Answer:
7x²-12x-10
Step-by-step explanation:
(5x²-8x+1) + (2x²-4x-11)
combine like terms
7x²-12x-10
mmcht. can't really see the graph
288 is your answer
Hope this helps :) have a good day
1 foot and 6 inches is the answer. Subtract the highest from the lowest #.