0= -3x+9
-9=-3x
3=x
Final answer: x=3
There is only one zero because it is linear, and can therefore only cross the x axis once.
C(cost)=6x+9
9 is the cost of three hot dogs
6x represents 6 tickets and their cost
Answer:
B. 
Step-by-step explanation:
The y-intercept is given to us, which is
and Parallel Lines have SIMILAR <em>RATE </em><em>OF CHANGES</em><em> </em>[<em>SLOPES</em>],<em> </em>so −2 remains the way it is.
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A. X Z Y
B. P N M
C. F E H G D