Q20: Multiply and simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Multiply and simplify.
Q21: Divide and simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Divide and simplify.
Q22: Multiply to obtain an equivalent expression. Do
Q23: Add or subtract. Then simplify. If a
Q24: Perform the indicated operations and simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg"
Q26: Find the domain. Write interval notation for
Q27: Find the LCM.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Find the LCM.
Q28: Add or subtract. Then simplify. If a
Q29: Add or subtract. Then simplify. If a
Q30: Perform the indicated operations and simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg"