3z-x 18. 2z+y 19. 4x + y 20. x-9z 21.y+8z 22. y-3x 23. xz-y 24. Travel It costs $1 0 for a person up to 1 7 years of age to ... 25. Social Studies The table shows ways that mail traveled across the United States in the early to late 1 860s. ... to model the distance traveled d in relation to travel time f. c. Graph the data from your table in part (a) on graph paper. ... Then graph each equation in a coordinate plane.

Title | : | Middle Grades Math Thematics |

Author | : | Rick Billstein |

Publisher | : | McDougal Littell/Houghton Mifflin - 2002-01 |

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