Yes to both, and for future help, if you find a common denominator(the bottom one) by multiplication and one is higher, boom you have your answer.
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Translation hope this helps man
<h3>
Answer: A) 5.39</h3>
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Explanation:
Apply the distance formula.

You could also use the pythagorean theorem which is what the distance formula is based off of.
Answer:
4.2 is: 1.) between 4 and 5 closer to 4
7/8 is: 3.) between 0 and 1 closer to 1
-9/5 is: 2.) between -1 and -2, closer to -2