Which one is the correct distance formula? (x2 - y)2 + (21 - yı)2
(x2 - x)2 + (92 - yı)2
(- 21) + (y2 – 41)
(22 - 2012 - (92.- yı)

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?

Which of the following best describes the delian problem?

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.