John climbed 30 steps in 12 seconds At this rate how long will it take john to climb 45 steps

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 and show you’re work step by step ! -5 3/4+3h< 9 1/4 -

Find the distance between (0,5) & (-4,2)