If tanA=1/3, tanB=-1/2, find the value of A+B
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Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

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?

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.