Answer:

Step-by-step explanation:

Add 4 to both sides

Divide both sides by 3

Hope this helps!
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In triangle, ABD,
AD²= AB²+BD²
AB² = AD²-BD²
AB² = 18²-9² = 324-81 = 243
AB = √243
In triangle, ABC,
AC² = AB²+BC²
AC² = (√243)²+(13)²
AC² = 243+169
AC = √412
AC = 20.29
64 + 43 = 107
107 - 43 = 64
107 - 64 = 43
The Guests are the independent variable(x) and the Pizzas are the dependent variable(y). The slope indicates that for every 5 guests that comes in that 2 pizzas are purchased. The scatter plot shows a postitve correlation as indicated by the upward trending line.