Hey there! I have a question for you so the question is have you read the story?
Answer:

Step-by-step explanation:
(5x^3+4x^2)−(6x^2−2x−9)
To find the opposite of 6x^2−2x−9 find the opposite of each term.
5x^3+4x^2−6x^2+2x+9
Combine 4x^2 and 6x^2 to get −2x^2.
5x^3-2x^2+2x+9
Answer:
d. 3 liters
Step-by-step explanation:
divide the amount of water by the amount of players to get the answer
27 ÷ 9 = 3