1.	Evaluate m - n if m = and n = .
		A.		B.
		C.		D.
		Hint
	2.	A drain pipe is five inches in diameter. If the sides of the pipe are thick, find the width of the opening in the pipe.
		A.	inches	B.	inches
		C.	inches	D.	inches
		Hint
	3.	Find the value of k in the equation Write the solution in simplest form.
		A.		B.
		C.		D.
		Hint
	4.	Subtract from -10.
		A.		B.
		C.		D.
		Hint
	5.	Evaluate c + d if c = -1 and d = 3.
		A.	1	B.	-4
		C.	-1	D.	4
		Hint