Which of the following equations correctly represents the law of cosines? A. 2 = 22 + b2 - 2ab. cos(B)
B. 2 = 22 + c2 - 2ac. cos(C)
C. a2 = b2 + c2 - 2bc. cos(A)
D. b2 = 22 +62 - 2bc. cos(B)

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What are the related frequencies to the nearest hundredth of the columns of the two way table? group 1: a-102 b-34group 2: a-18 b-14edited: i don’t have all day to be waiting for an answer. i figured it out.

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?