exam Maths Puzzle Numerical Ability

How do you Combine logs?

Log(base5)(x^2-1)-Log(base5)(x-1)

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exam Other Question

Please find:

the distance (-2,3,1) and (4,5,-1)

and

midpoint (-2,3,1) and (4,5,-1)

Thanks We need help getting the answer to:

(6) (1 3/10) = _____

We think it is 7 4/5 but that is not one of the choices.

Can you help?