Answer:
I think that the required options are wrong.
Answer is given below with explanations.
mZCBD = 41 degrees
Step-by-step explanation:

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Answer:
- 14
Step-by-step explanation:

9n+3=7n+19, 9n-7n=19-3, 2n=16, n=8.
check it
72+3=75chairs
56+19=75chairs
Hello,
Answer B
if 3k+3<0 ==>|3k+3|=-3k-3
==>-3k-3>12
==>-3k>15
==>k<-5
if 3k+3>0 then |3k+3|=3k+3
3k+3>12
==>3k>9
==>k>3