If a were to be doubled, and be 10 more than the initial number, the value of a would also have to be 10 because when it is doubled, it becomes 20, and you can see that adding 10 to it will also make it be 20. The value of a would have to be 10.
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Answer:
to find volume of cylinder use formula=

and

If this is using transversals, and they are in fact a linear pair, then the answer would be 180-113= 67
If its not a transversal, let me know!
Answer:
i'm not sure if i'm right but think is cube