Hi there! Hopefully this helps!
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<h2>Answer:

</h2><h2 /><h2>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</h2>

Subtract 172 from 175 to get 3.
≈ 0.462634754
Factor
. Rewrite the square root of the product
≈
as the product of square roots
≈ 4.472135955. Take the square root of
≈ 

Rationalize the denominator of
≈
by multiplying numerator and denominator by
≈ 

The square of
≈
is 5.
≈ 
Multiply 2 and 5 to get 10.
≈
Divide 3 by
≈ 6.484597135 by multiplying 3 by the reciprocal of
≈ 
≈ 
Rationalize the denominator of
≈ 0.462634754 by multiplying numerator and denominator by
≈ 
≈ 
The square of
≈
is 5.
≈
Multiply 3 and 10 to get 30.
≈ 
Multiply 29 and 5 to get 145.
≈
<h2>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</h2><h2>Divide

≈

by 145 to get, you guessed it,

≈

</h2>