$\"\"$

\

The given coordinates $\"\"$ and $\"\"$ .

\

$\"\"$ (Distance formula)

\

$\"\"$ (Substitute $\"\"$ )

\

$\"\"$ (Take the square root of each side)

\

$\"\"$ (Cancel square s and roots) $\"\"$

\

$\"\"$ (Add: $\"\"$ )

\

$\"\"$ (Formula: $\"\"$ )

\

$\"\"$ (Commutative property of addition)

\

$\"\"$ (Add: $\"\"$ )

\

$\"\"$ (Subtract 89 from each side)

\

$\"\"$ (Subtract: $\"\"$ ) $\"\"$

\

$\"\"$ (Use formula: $\"\"$ )

\

$\"\"$ (Simplify)

\

$\"\"$ (Add: $\"\"$ )

\

$\"\"$ (Factor of 340)

\

$\"\"$ (Formula: $\"\"$ )

\

$\"\"$ ( $\"\"$ )

\

$\"\"$ (Distributive property)

\

$\"\"$ (Cancel common term)

\

$\"\"$

\

$\"\"$

\

The value is $\"\"$ .