Answer:
67
Step-by-step explanation:
123£
Answer:67 is correct D
Step-by-step explanation:use parallel, so 71+x=180-42 x=67 67+71=138, 67= to your answer
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Answer:

Step-by-step explanation:

Using this, we can subtract and find the answer.

Answer:
193
Step-by-step explanation:
9^2 = 81+181=262-69= 193