Me on 2 pls with work explaining how u did it thx

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?

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

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities