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i thin its option 1 or 2 because by looking at the problem it kinda click after starring at it for awhile
i hope this useful in a way
I dont know if I'm right or not but I believe the answer is b, because you cant solve for x with only these numbers.
Mary has 4 marbles because Joan has 100 marbles and he has 25 times as many marbles as Mary so we divide :)
The answer would be 2y(3x²+ y²).