Q72: Perform the subtraction and simplify. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8632/.jpg"
Q73: Simplify the complex fraction. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8632/.jpg" alt="Simplify
Q74: Factor the perfect square trinomial. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8632/.jpg"
Q75: Approximate the numbers and place the correct
Q76: Simplify the expression. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8632/.jpg" alt="Simplify the
Q78: Evaluate the expression. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8632/.jpg" alt="Evaluate the
Q79: Evaluate the expression. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8632/.jpg" alt="Evaluate the
Q80: Evaluate the expression. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8632/.jpg" alt="Evaluate the
Q81: Simplify the expression. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8632/.jpg" alt="Simplify the
Q82: The line graph shows the costs of