1.	Evaluate 212.
		A.	442	B.	422
		C.	421	D.	441
		Hint
	2.	Which is not a perfect square?
		A.	169	B.	100
		C.	144	D.	48
		Hint
	3.	Find .
		A.	25	B.	22
		C.	17	D.	15
		Hint
	4.	Find the area of the square.
		A.	36 units2	B.	64 units2
		C.	56 units2	D.	49 units2
		Hint
	5.	Which number is a perfect square?
		A.	324	B.	326
		C.	327	D.	325
		Hint