To find all of the feet of pipe that Brad has, you add both of the lengths of the pipes together. So 2 5/12+3 7/12. Add the numbers together first, 5. Then add the fractions, 5/12+7/12=1. So add 5 and 1 and you get 6 feet of pipe. Hope this helps.
(X+3)(x+7) X+7
————— = ——
(X-3)(x+3) X-3
Answer:
Step-by-step explanation:
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