1.   Determine whether the triangles are similar. If not, explain why not.
   
    A. no, b = 110 B. no, a = 30
    C. no, b = 40 D. yes
    Hint

  2.   If James can bicycle 32 miles in 4 hours, how far can he bicycle in 3 hours?
    A. 8 miles B. 30 miles
    C. 12 miles D. 24 miles
    Hint

  3.   On a map with a scale of 1 inch = 80 miles, the distance between two towns is 4 inches. If a person travels 65 miles per hour, how long will it take to travel from one town to the other?
    A. about 12 hours
and 30 minutes
B. about 5 hours
and 20 minutes
    C. about 16 hours
and 15 minutes
D. about 4 hours
and 55 minutes
    Hint

  4.   The process of enlarging or reducing an image is called a(n)
    A. illusion B. image
    C. dilation D. scale factor
    Hint

  5.   Express $120.00 over 15 hours as a unit rate.
    A. $8.00 per hour B. $12.50 per hour
    C. $13.00 per hour D. $10.00 per hour
    Hint

  6.   Solve .
    A. x = 35 B. x = 7
    C. x = 14 D. x = 28
    Hint

  7.   Antonio has been keeping a food log for health class. At the end of the week, Antonio found he had eaten 10,010 calories from carbohydrates, 3,850 calories from protein, and 1,540 calories from fat. Which ratio compares Antonio's calories eaten from fat to his total eaten calories for the week?
    A. B.
    C. D.
    Hint

  8.   Similar triangles always have _____.
    A. Two congruent corresponding angles with a congruent corresponding side between the angles. B. Three congruent corresponding angles.
    C. Two congruent corresponding sides with a congruent corresponding angle between the sides. D. Three congruent corresponding sides.
    Hint

  9.   A lamppost has a shadow that is 2 m long. A street sign has a shadow that is m long. If the street sign is 2 m tall, how tall is the lamppost?
    A. m B. 1 m
    C. 3 m D. 5 m
    Hint

  10.   On a map with a scale of 1 inch = 100 miles, the distance between two cities is 7.5 inches. If a person travels 55 miles per hour, how long will it take to travel from one town to the other?
    A. about 13 hours and 9 minutes
    B. about 12 hours and 44 minutes
    C. about 12 hours and 30 minutes
    D. about 13 hours and 38 minutes
    Hint

  11.   What is the ordered pair of the image of A(-2, 4) if the scale factor is 5?
    A. (-0.4, 0.8) B. (10, 20)
    C. (3, 9) D. (-10, 20)
    Hint

  12.   The table shows the amount of snow during a snow storm. Find the rate of change in the amount of snow from 2:30 to 4:30.
   
    A. 0.75 inch per hour B. 0.67 inch per hour
    C. 0.80 inch per hour D. 0.33 inch per hour
    Hint

  13.   The graph shows the price of a television. Find the rate of change in the price of the television from 1998 to 2000.
   
    A. -$8.33 per year B. -$12.50 per year
    C. $8.33 per year D. $0 per year
    Hint

  14.   Find the slope of the line
   
    A. 2 B. -
    C. -2 D.
    Hint

  15.   The points given in the table lie on a line. Find the slope of the line.
   
    A. B.
    C. - D. -
    Hint

  16.   The two triangles shown in the figure are similar. Find the distance d across the river.
   
    A. 81 meters B. 25 meters
    C. 18 meters D. 16 meters
    Hint



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