2 answers:
10/63 if it is staying as a fraction stays the same, since neither one of them have the same common denominator.
You can't simplify that. 10 doesn't go into 63
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Answer:
I think it is A
Step-by-step explanation:
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Answer:

Step-by-step explanation:
Swap x and y, then solve for y.

There is no other way to rewrite the expression from fractional form
Kilometers is for distance, and kilograms is for solids