2x + 7y = 28
7x - 2y = 4...
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Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?
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Neal buys a board game. he pays for the board game and pays $1.54 in sales tax. the sales tax rate is 5.5%. what is the original price of the board game, before tax
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Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters
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