The ruby-throated hummingbird has a wing beat of about 200 beats per second. about how many wing beats would a humming bird have in 3 minutes.

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

What are the steps to solving the inequality 3b + 8 ≥ 14?

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =