Answer:
C. ±square root of 30
Step-by-step explanation:
Apply the square root function to both sides of the equation:

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The absolute value equation has two solutions. They match choice C.
Answer:Answer:8900274878944444442790579275839469827389,0000008888887984578145
Step-by-step explanation: If you divide and multiply stuff you get 859889568954 then you multiply 265564882398758455 by 2336935 and get 827598273948798277869000758672837409722894772983466023408927398578423364590985237777777779
Step-by-step explanation:
Its 5 marbles because if she pulls twice as many red than blue, it means you divide in half so you get 5
Hope this helped :D