Q78: Add. Find the LCD first.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Add.
Q79: Add or subtract. Then simplify. If a
Q80: Multiply and simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Multiply and simplify.
Q81: Find the domain. Write interval notation for
Q82: Multiply and simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Multiply and simplify.
Q84: Multiply and simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Multiply and simplify.
Q85: Multiply to obtain an equivalent expression. Do
Q86: Simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Simplify. - A)-(m +
Q87: Add or subtract. Then simplify. If a
Q88: Add or subtract. Then simplify. If a