$\"\"$

The expression is $\"\"$ .

The perfect square less than 145 is 144.

The perfect square greater than 145 is 169.

The compound inequality is $\"\"$ .

$\"\"$ (Identify perfect squares closest to 145)

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

$\"\"$ (Write 144 as $\"\"$ and 169 as $\"\"$ )

$\"\"$ (Cancel squares and roots)

144 is closer to 145 than to 169, so the nearest integer, $\"\"$ . $\"\"$

The square root to the nearest integer is $\"\"$ .