1.	The number 47 is _____.
		A.	a whole number	B.	a rational number
		C.	a whole number and an integer	D.	a whole number, an integer, and a rational number
		Hint
	2.	Determine whether the number 0.121212… is rational or irrational. What is its fractional equivalent?
		A.	irrational,	B.	rational,
		C.	rational,	D.	irrational,
		Hint
	3.	Determine whether the number 0.45445444544445. . . is rational or irrational.
		A.	irrational	B.	neither
		C.	rational	D.	both
		Hint
	4.	Determine whether is rational or irrational.
		A.	Neither	B.	Irrational
		C.	Rational	D.	Both
		Hint
	5.	The amount of time in hours a thunderstorm will last can be estimated using the expression , where d represents the distance across the storm in miles. Estimate how much longer a storm that is 8 miles across will last than a storm that is 3 miles across?
		A.	1 hour	B.	3 hours
		C.	2 hours	D.	4 hours
		Hint