Answer:
If AB and CD are perpendicular, (slope of AB) x (slope of CD) = -1
9/a = -1
a = -9
Answer:
i need to see the table lol do you have a pic?
Step-by-step explanation:
The slope is -2/3.
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Explanation:
y=mx+b
m= slope
-2/3=m
Answer:
Step-by-step explanation:
me too..
Answer: correct.
Step-by-step explanation: