At a local Brownsville play production, 420 tickets were sold. The ticket
1 answer:
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It says that there was an error with my answer, but I don't know what, so I screenshotted what I typed and attached them as 4 images below:
The illegal values of b are when the denominator equals 0.
So, gives you (b-4)(b+2)=0
Therefore, b=4 and b=-2, which is answer A.