Q7: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A)
Q50: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A)
Q60: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A) 2, 3
Q63: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A)
Q66: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A)
Q93: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A)
Q103: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A)
Q159: The length of a rectangular storage room
Q170: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A) b(ab -
Q175: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A) -10 B)