2 answers:
Answer:
2.2
Step-by-step explanation:
Answer:

Step-by-step explanation:

Apply fraction rule:


Cancel the common factor of 16 and 20:

Cancel common factor of 4 and −4:

Multiply 5 by -1:

Dividing two negative values gives a positive value:

Or

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<span>∠BCA = 120 /2 = 60
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The answer is 44 h(-7)= -7^2 -5 =49-5=44