<span>What changes might help "Happiness is a charming Charlie Brown at orlando rep" to take on the general purpose of "You're a good man, Charlie Brown?</span><span>
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Answer: 57r + 42
Step by step explanation:
-3r - 6(-7 - 10r)
Distribute -6 through the parenthesis
-3r + 42 + 60r
Collect the like terms
57r + 42
No. AB is not perpendicular to AC