Amy glued purple ribbon around the edge of her circular mirror. She used 63 inches of ribbon. This was just enough to go once around the mirror. What is the approximate diameter of her mirror?
5 inches
B
10 inches
18 inches
D 20 inches
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The value of cos 30° is the same as which of the following?

Which number produces an irrational number multiplied by 1/3

Arestaurant manager wanted to get a better understanding of the tips her employees earn, so she decided to record the number of patrons her restaurant receives over the course of a week, as well as how many of those patrons left tips of at least 15%. the data she collected is in the table below. day mon tue wed thu fri sat sun patrons 126 106 103 126 153 165 137 tippers 82 87 93 68 91 83 64 which day of the week has the lowest experimental probability of patrons tipping at least 15%? a. sunday b. saturday c. friday d. thursday