1.	Solve 5(k – 2) = 10(3k + 9).
		A.	k = 4	B.	k = -4
		C.	k = 5	D.	k = -5
		Hint
	2.	Solve
		A.		B.
		C.	All real numbers	D.
		Hint
	3.	Solve 7(x + 2) – 10 = 7x + 4.
		A.	All real numbers	B.	x = -2
		C.	x = 1	D.
		Hint
	4.	The area of a rectangle is 144 cm2. Find the value of x if the rectangle's dimensions are 6 cm and (4x + 4) cm.
		A.	x = 5 cm	B.	x = 7 cm
		C.	x = 4 cm	D.	x = 6 cm
		Hint
	5.	Solve
		A.		B.	All real numbers
		C.	r = 3	D.	r = 0
		Hint