Achild is running on a moving sidewalk in an airport. when she runs against the sidewalk's motion, she travels 63ft in 9 seconds. when she runs with the sidewalk's motion, she travels 225ft in 15 seconds. what is the rate of the child on a still sidewalk and what is the rate of the moving sidewalk?

step-by-step explanation:

the shape,the size and the distance

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.