Answer:
13.23 is 31.50 percent of 42 and the price they dropped down was $10.5
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hope this helps pls mark me as brainliest! :)
Answer:

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The reciprocal of 5: 
The negative reciprocal of 5: 
Answer:
I would say 42 but some of the image is cut off so I may be wrong:))
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Answer:
that means all the other sides are x-45 and each of the angles are 60 degrees
(i dont know what your asking for)