• Rational Numbers
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  • A roller coaster begins at 90 feet above ground level. Then, it descends 105 feet. Find the height of the coaster after the first descent.
    -15
  • A team gains 20 yards. Then they lose 7 yards. Find the sum.
    13
  • A cyclist travels downhill for 125 feet. Then she travels up a hill 50 feet. How far is the cyclist?
    -75
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