If tan A=36/77, then what is cos A?
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Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian 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? i need this done

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

Write an expression that represents the sum of 7 and x