Divide both by 18.
<span>140/18=7.78 </span>
<span>So... $7.78 per foot</span>
8p, -70, and 4 z are the terms and 4z and 8p are coefficient.
To solve A, complete the square for both variables.
The center is (6,4)
<em>km</em>=<em>x, </em>the product being represented by <em>x.
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Your answer is 36. hope it helps!