3. (04.02 MC)

What is the exact value for the expression the square root of 189. − the square root of 21. + the square root of 84. ? Simplify if possible. (5 points)
the square root of 21.
6 the square root of 7.
4 the square root of 21.
24 the square root of 7.

8,400-6,400=xx/6,400anyways the percent increase is 31.25% or 0.3125 you can round if you can

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