2:14 3:21 etc. all you have to do is for every 1 you add to the front number add 7 more to the second number
Answer:

Step-by-step explanation:
For
, we have two cases:
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Therefore, for
, we have the following cases:

Solving, we have:
.
Therefore,
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Answer:
1) 6(3x-2)
2) 24(x+2)
3) 9(5x−9) or 9(5x+9) if you meant to put addition.
4)8x+15
Answer:
A is answer
Step-by-step explanation:
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Answer:
9/17
Step-by-step explanation:
there are 17 marbles in total 9 of them are blue therefore, 9/17 is the correct answer