Q70: Solve the problem.<br>-A formula used to determine
Q71: Evaluate the radical expression if it is
Q72: Simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Simplify. - A)
Q73: Divide.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Divide. - A)
Q74: Simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Simplify. - A) 42
Q76: Simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Simplify. - A) 6
Q77: Write as an absolute value.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Write
Q78: Simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Simplify. - A)
Q79: Simplify by rationalizing the denominator.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Simplify
Q80: Evaluate if possible. If the expression is