The scatter plot shows the amount of sleep Aria got the night before a test and her test scores. Use the y-intercept and the point (6, 80) from the line on the scatter plot. What is the equation of the trend line? Drag numbers to complete the equation. Numbers may be used once, more than once, or not at all.

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step-by-step explanation:

tube or goog would be a great resource to with that question

- "runner b is moving at a slower rate."

- "the graphs shown are graphs of distance(km) against time(min).

the slopes of this graphs are are given by:

slope = (change in y)/(change in x)

= (change in distance)/(change in time)

this is the formula for finding the speed. so, the slope of these graphs represent the speed of the runner.

taking each division in the graph to represent 1 on both axis:

runner a ⇒ speed = (2-0)/(1-0)

= 2/1

= 2 km/min

runner b ⇒ speed = (3-0)/(3-0)

= 3/3

= 1 km/min

this shows that   runner b is moving at a slower rate."