What is the area of the figure in square millimeters and in square centimeters?

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?

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12