Combine the radicals. 3√5-8√5+2√5

-3 times the square root of 5

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Explanation:

Let

Replace all the root 5 terms with x and we go from

to

From here, combine like terms to get

and the last thing to do is replace the x with sqrt(5)

Meaning that,

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%

1.30

step-by-step explanation: