I believe it would be b= -264
(I’m not 100% sure though so you might wanna check)
Step-by-step explanation:
AC=AB+BC-cos. AC=100+66-cos. AC=166-0.906. AC=√165.094. AC=12.8
Use the website: mathpapa.com/algebra-calculator.html
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a )
Two solutions.
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b )
One solution .
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c )
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d )
One solution.
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e )
Two solutions.
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f )
Two solutions .
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