1.	A staff's shadow is 8 feet and a tree's shadow is 16 feet. If the staff is 9 feet tall, how tall is the tree?
		A.	15 ft	B.	18 ft
		C.	12 ft	D.	9 ft
		Hint
	2.	Assume the triangles are similar. What is the value of x?
		A.	20	B.	5
		C.	3.2	D.	10
		Hint
	3.	A lakefront building that is 30 feet high casts a shadow on the water. How long is that shadow if a 16-foot high truck parked nearby casts an 8-foot shadow?
		A.	13 ft	B.	9 ft
		C.	12 ft	D.	15 ft
		Hint
	4.	An office building casts a shadow that is 15 feet long. A nearby tree casts a shadow that is 2.5 feet long. If the tree is 5 feet tall, how tall is the office building?
		A.	30 feet	B.	17.5 feet
		C.	7.5 feet	D.	25 feet
		Hint
	5.	The two triangles shown in the figure are similar. Find the distance d across Kelley’s Pond.
		A.	36 yards	B.	64 yards
		C.	96 yards	D.	24 yards
		Hint