Q27: Subtract.<br>-(7z - 4) - (-z + 2)<br>A)
Q28: Multiply.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Multiply. - A)
Q29: Multiply.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Multiply. - A)
Q30: Solve the problem.<br>-A particle is observed moving
Q31: Simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Simplify. - A)
Q33: Simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Simplify. - A)
Q34: Subtract using columns.<br>-Subtract <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Subtract using
Q35: Write the quantity without metric prefixes.<br>-5.18 micrometers<br>A)
Q36: Simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Simplify. - A)
Q37: Multiply.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Multiply. - A)