1. Noah printed a map of a walking trail. The length of the trail is 12 cm. (a) 1 cm on the map represents 2 km on the actual trail. What is the scale factor from the map to the actual trail?
(b) What is the length of the actual trail?

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

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step-by-step explanation:

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answer: the is put the 450

step-by-step explanation:

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