Find the LCD for each of the following; then perform the indicated operation and reduce the answer to lowest terms. 
Definitions:
Q7: Simplify the expression. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8808/.jpg" alt="Simplify the
Q8: how many degrees are there in angle
Q10: Actual measurements taken from the blueprint drawing
Q10: A distribution duct has an area of
Q87: Solve the system by substitution. Substitute the
Q95: Factor the following number into the product
Q153: Solve for the indicated variable. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8808/.jpg"
Q154: A right triangle has one <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8808/.jpg"
Q258: Simplify the expression. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8808/.jpg" alt="Simplify the
Q264: Perform the indicated operation. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8808/.jpg" alt="Perform