Q77: Solve: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Solve: A)
Q78: Solve the formula for the given variable.
Q79: Multiply: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Multiply: A)
Q80: Multiply: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Multiply: A)
Q81: Triangles ABC and DEF are similar with
Q83: Solve: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Solve: A)
Q84: Solve: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Solve: A)
Q85: Simplify: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Simplify: A)
Q86: Solve: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Solve: A)
Q87: Solve: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Solve: A)