__ | 1. | difference | | A. | vertical (up & down) line on a graph |

__ | 2. | product | | B. | horizontal (side-to-side) line on a graph |

__ | 3. | quotient | | C. | the set {0,1,2,3,4,5,6...} |

__ | 4. | simplify | | D. | the percent added as tax |

__ | 5. | subtraction | | E. | taking one number away from another |

__ | 6. | sum | | F. | the answer to a subtraction problem |

__ | 7. | tax rate | | G. | to express in smallest numbers possible |

__ | 8. | whole numbers | | H. | the answer to a division problem |

__ | 9. | x-axis | | I. | the answer to a multiplication problem |

__ | 10. | y-axis | | J. | the answer to an addition problem |