1. If Steve were three inches taller, he would be half as tall as Trevor. How could this best be represented as an equation?

	S = 2T + 3
	2S + 3 = T

2. If the average (arithmetic mean) of three numbers is 6, and the sum of the two larger numbers is 16, what is the value of the smallest number?

3. The invention of the microscope was ______; it led to a wide variety of new discoveries.

	legion
	pernicious
	seminal
	arduous
	cataclysmic

4. BUOY : SINK ::

	vaccine : sicken
	safeguard : protect
	alarm : fear
	raft : float
	guard :leave