Factor.
9x2−49y2
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Arestaurant needs to buy thirty-seven new plates. if each box has five plates in it, how many boxes will they need to buy?
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An electrician cuts a 136 foot long piece of cable. one piece is 16 feet less than 3 times the length of the other piece. find the length of each piece
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Bocephus has a bag full of nickels and dimes. if there are 3 times as many dimes as nickels, and he has $\$36.05$ in his bag, how many nickels does he have?
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