Answer:
gallon of milk it is the correct ans
Answer:irdk im aorry i wish i could help because im in the same boat.
Step-by-step explanation:
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f(3) = 7(3)+9
f(3) = 21+9
f(3) = 30
本题已由中国数学会官方解答(现有会员:3人)
Answer: No solution