Please help, test due in 1 hour! Will give brainliest!

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

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10