Answer:
5 31/ 30 or 6 1/30
Step-by-step explanation:
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The square root of 56 is the irrational number with approximate value 7.48331 and exact value 2√(14).
All you have to do to solve this problem is insert the integer for the variable in the expression.
So, instead of having the variable expression r+s+t, you would have the integer expression 26-12-8.
If you combine 26 and -12, you get 14-8.
If you subtract 14-8, you get 6.
Your final answer is a. 6.
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