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.

ian gone lie this got me confused

step-by-step explanation:

it's

“ a line segment that has the endpoints on the circle and passes through the midpoint is called the diameter. the diameter is twice the size of the radius. a line segment that has its endpoints on the circular border but does not pass through the midpoint is called a chord. a circle is the same as 360 small circle up the number 0 . i hope this .

example answer: "to determine if a sum is reasonable you can round each number to the nearest whole and compare the estimated sum to the actual sum."

hope this you and anyone else who needs the answer : ^)