9. the sides of a rectangle are increased by a scale factor of 4. the perimeter of the smaller rectangle is 20 cm. what is the perimeter of the larger rectangle? (1 point)
320 cm
80 cm
120 cm
60 cm
10. a map of utah has a scale of 1 cm : 30 mi. the border of utah and wyoming measures about 3.7 cm. how long is the actual border of utah and wyoming? round the answer to the nearest 10 miles. (1 point)
100 mi
90 mi
80 mi
110 mi