Posted by **Keisha** on Wednesday, July 13, 2011 at 11:49pm.

1.Write an equation of the line containing the given points and parallel to the given line (3,8); x+5y=3

2. Write an equation of the line containing the given points and parallel to the given line (-3,6); 5x=9y+2

3. Write an equation of the line containing the given points and perpendicular to the given line (4,5); 9x+y=7

4. Write an equation of the line containing the given points and perpendicular to the given line (5,-2); 9x+2y=7

5. Media Services charges $30 for a phone and $20/month for its economy plan. Find a model that determines the total cost, C(t), of operating a Media Services phone for t months. C(t)=?

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