. 
Q18: Simplify and add or subtract wherever possible.<br>-10
Q19: Simplify the radical.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB9570/.jpg" alt="Simplify the radical.
Q20: Write the word or phrase that best
Q21: Rationalize the denominator and simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB9570/.jpg" alt="Rationalize
Q22: Identify the given number as "Rational", "Irrational",
Q24: Simplify the expression.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB9570/.jpg" alt="Simplify the expression.
Q25: Find the square root.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB9570/.jpg" alt="Find the
Q26: Choose the one alternative that best completes
Q27: Write the quotient in lowest terms.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB9570/.jpg"
Q28: Find the root.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB9570/.jpg" alt="Find the root.