1.	Express the ratio in simplest form. number of shaded squares: total number of squares
		A.		B.
		C.		D.
		Hint
	2.	Express the rate 40 students to 8 teachers as a unit rate.
		A.	10 students per teacher	B.	12 students per teacher
		C.	5 students per teacher	D.	4 students per teacher
		Hint
	3.	Determine whether the ratios and form a proportion. Justify your answer.
		A.	No, they are unit rates.	B.	No, their cross products are not equal.
		C.	Yes, they are both percents.	D.	Yes, their cross products are equal.
		Hint
	4.	Kylie designed a logo for her school. The logo, which is 3 inches wide and 5 inches long, will be enlarged and used on a school sweatshirt. If the logo will be 4.5 inches wide on the sweatshirt, find its length.
		A.	7.5 inches	B.	0.3 inches
		C.	6 inches	D.	3.3 inches
		Hint
	5.	Assume the triangles are similar. What is the value of x?
		A.	20	B.	10
		C.	5	D.	3.2
		Hint
	6.	A lakefront building that is 30 feet high casts a shadow on the water. How long is that shadow if a 16-foot high truck parked nearby casts an 8-foot shadow?
		A.	13 ft	B.	12 ft
		C.	9 ft	D.	15 ft
		Hint
	7.	In a movie, a child who was 32 inches tall was ''blown up'' to be 160 feet tall. Find the scale needed for the props in the movie.
		A.	1:60	B.	1:6
		C.	1:160	D.	1:10
		Hint
	8.	Boxes of cereal are marked 3 for $5.00. How much will 8 boxes of cereal cost?
		A.	$13.33	B.	$10.00
		C.	$9.33	D.	$16.00
		Hint
	9.	A picture has dimensions of 4 inches in height and 6 inches in width. The picture will be enlarged to a width of 14 inches. What will be the height of the enlarged picture?
		A.	9 inches	B.	21 inches
		C.	10 inches	D.	1 inches
		Hint
	10.	On a map, the scale is inch = 300 miles. Find the actual distance between two cities that have a map distance of 5 inches.
		A.	3,300 miles	B.	1,650 miles
		C.	3,000 miles	D.	2,727 miles
		Hint
	11.	What is the ordered pair of the image of A(-2, 4) if the scale factor is 5?
		A.	(-10, 20)	B.	(10, 20)
		C.	(-0.4, 0.8)	D.	(3, 9)
		Hint
	12.	A projector displays an image from 35-millimeter film onto a screen that is 10 meters wide. What is the scale factor?
		A.		B.
		C.		D.
		Hint
	13.	The table compares the age of a cat to the age of a human. Find the rate of change in human years between a cat’s age of 1 and 6?
		A.	5.7 human years per year	B.	4 human years per year
		C.	5 human years per year	D.	4.5 human years per year
		Hint
	14.	The table shows the value of a car as it gets older. Find the rate of change in value of the car from the third year to the fifth year.
		A.	-$1,500 per year	B.	-$2,500 per year
		C.	-$1,400 per year	D.	-$1,250 per year
		Hint
	15.	Find the slope of the line.
		A.	4	B.
		C.	-	D.	-4
		Hint
	16.	The points given in the table lie on the line. Find the slope of the line.
		A.	0	B.	-
		C.	-1	D.	1
		Hint