Help 1) A building casts a shadow 100 m long. At the same time, a nearby pole 4 m high casts a shadow 8 m long.
What is the height of the building? Round your answer to the nearest tenth, if necessary.

A) 200 m
B) 0.5 m
C) 50 m
D) 800 m

2) Standing next to each other, a woman who is 70 inches tall and her son cast shadows that are 47 inches and 33 inches, respectively. What is the height of the son, to the nearest inch?

A) 47 in.
B) 33 in.
C) 49 in.
D 22 in.

3) The ramp shown below is used to move crates of fruit to loading docks of different heights. When the horizontal distance AB is 12 meters, the height of the loading dock, BC, is 4 meters what is the height of the loading dock?