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Answer: D) 130.5 degrees</h3>
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Work Shown:

Note: I used the law of cosines. Make sure your calculator is in degree mode.
Answer:
$22
Step-by-step explanation:
tax and the tip increase the price paid for the meal
she paid 15 + 10 = 25% more than the price of her meal
p = original price
1.15 x p = 27,50
p = 27.50 / 1.15 = 22