Gianna has $400 and spent $5 each on x cups of coffee. Write an expression to
represent this situation.

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second