What do you need help with? it helps us to know the question!
Since its a square root then it would be irrational.
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The answer is C) 24.
24 + 19 = 43.
43 - 24 = 19.
You want to get x on one side so you divide both sides by 7 and 35/7 = 5
The answer is 12.
The exact answer is 11.74734012..... this question is basically asking you to round the exact answer.