Which expression is equivalent to 2(m − 5) + 6?

2m-4

Step-by-step explanation:

 2(m-5)+6

=2m-10+6

=2m-(10-6)

=2m-4

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b) the dogs need to shift their focus to human scent.

0.85 or 85%

step-by-step explanation:

1) divide 23 by 27

2) round the decimal to the nearest 10

3) so your answer would be 0.85 or 85%