1.	Solve
		A.	a = 5	B.	a = 29
		C.	a = -6	D.	a = 19
		Hint
	2.	Solve
		A.	n =	B.	n = 9
		C.	n = 2	D.	n =
		Hint
	3.	Solve the equation
		A.	a = 5	B.	a =
		C.	a =	D.	a = 0
		Hint
	4.	Solve
		A.	a = 90	B.
		C.	a = -90	D.
		Hint
	5.	Find three consecutive odd integers that have a sum that is 45.
		A.	13, 15, 17	B.	11, 13, 15
		C.	14, 15, 16	D.	15, 17, 19
		Hint