Q77: Let <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5596/.jpg" alt="Let be
Q78: Let <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5596/.jpg" alt="Let .
Q79: Let <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5596/.jpg" alt="Let .
Q80: Evaluate <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5596/.jpg" alt="Evaluate where
Q81: Determine whether the vector field <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5596/.jpg"
Q83: The integral <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5596/.jpg" alt="The integral
Q84: Compute <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5596/.jpg" alt="Compute where
Q85: Let S be the surface <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5596/.jpg"
Q86: Evaluate the surface integral <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5596/.jpg" alt="Evaluate
Q87: Find <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5596/.jpg" alt="Find where