Question: Write an equation for the line that fits each situation. a. The length of a rope is 1.70 m, and it decreases by 0.12 m

Write an equation for the line that fits each situation.
a. The length of a rope is 1.70 m, and it decreases by 0.12 m for every knot that is tied in it.
b. When you join a CD club, you get the first 8 CDs for $7.00. After that, your bill increases by $9.50 for each additional CD you purchase.

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