Nine wholes with five twelves
9 5/12
100
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The length is 12, because if it's 9 inches wide it has two sides of 9 inches which is 18. Then subtract that from the intial value 42 to get 24. After, you divide 24 by 2 due to there being 2 sides of the box and 24 is the sum of both sides. Hopethis helps!
Answer:
x + 3 is the factor of given expression !!!
Step-by-step explanation:
here's the solution in attachment.