Q31: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A)
Q61: (-2, -4) <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="(-2, -4)
Q62: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A)
Q81: A barge takes 6 hours to move
Q104: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A)
Q109: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A) I B)
Q125: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A)
Q141: Subtract <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Subtract A)
Q178: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A) (x -
Q346: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt=" A)