Q48: Solve <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Solve .
Q49: Solve. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Solve. A)
Q50: Two small planes start from the same
Q51: Solve <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Solve .
Q52: Solve. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Solve. A)
Q54: Solve. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Solve. A)
Q55: Solve. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Solve. A)
Q56: Find two consecutive even integers such that
Q57: Solve <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Solve .
Q58: If <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="If evaluate