The anwser is 90 because its 90 degree angle
Answer:
1st box: Asso. prop= m+(4+x)
2nd box: Comm. Prop= m+4=4+m
3rd box: iden. prop= m+0=m
4th box: Zero prop: m x 0=0
Answer:
The answer is -2/3.
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Answer:

Step-by-step explanation: