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Divide and simplify.
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Q13: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt=" A)
Q23: 3x - 3y = 12; (-2, -6),
Q43: It takes 9 hours for 8 people
Q50: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt=" A) (11k +
Q96: Why is the answer <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt="Why
Q188: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt=" A)
Q198: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt=" + 43, when
Q217: (5a + 2c)(5a - 2c)<br>A) <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg"
Q270: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt=" A) 4 B)
Q334: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt=" A)