Q21: Simplify the following expression. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Simplify
Q22: Simplify the following expression. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Simplify
Q23: Write <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Write %
Q24: Subtract: -3 - (-21)<br>A) -24<br>B) 14<br>C) 20<br>D)
Q25: Add: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Add: A)
Q27: Evaluate: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Evaluate: A)
Q28: The boiling point of oxygen is <img
Q29: Evaluate the following expression using the Order
Q30: Find the temperature after a rise of
Q31: Find <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Find .