Which of the following statements is NOT true?

		If sr = 5t and k = 27, then s2 + t2 = 724.
		If s = 5 and k = 16, then u = 4.
		If s = 3 and r = 9, then t= 3.
		If s = 5 and t = 6, then k = 12 1/5.

In ABC, BD = 2 and BC = 10. Find AD.

		2
		4
		10
		2
		2

In right ABC, is the altitude to hypotenuse . If AC = 12 and AD = 5, find DB.

		2
		28 4/5
		60
		23 4/5
		2 2/5

In right ABC, is the altitude to hypotenuse . If AC = 27 and AD = 9, find AB.

		81
		36
		9
		9
		3 3

In right ABC, altitude is drawn to the hypotenuse. If AD = 8, BD = 18, and CD = x + 9, find the length of the altitude.

In ABC, is the altitude to side . If AD = 15 and DB = 8, find BC that will make ABC a right triangle.

		2
		23
		2