2. Select all the proportional relationships. A train is traveling at a constant speed of 60 miles per hour. The number of hours the train has been traveling is. The number of miles the train has traveled is. The relationship is represented by this table: where and are both positive numbers.

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step-by-step explanation:

b.-4 units

all you   do is count how many times you move

there are 70 more legs than eyes at the dog show (196 – 126 = 70). dogs have two more legs than eyes, and humans have the same number of legs as eyes. thus 70 is twice the number of dogs at the show, so the number of dogs is half of 70, which is 35. to get the number of humans, subtract 35 from 63: 63 – 35 = 28.

step-by-step explanation: