Question

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Answer 1

3

Explanation:

We can find the rate of change by picking any two points on the line in the form (x, y) and using the equation below to find the slope (m):

`m = (y_2-y_1)/(x_2-x_1)`

To make things easier, let's pick two points which offer us whole numbers. So: (20, 90) and (0, 30) seem perfect. Plug it into the formula:

`m = (90-30)/(20-0) = (60)/(20) = 3`

Thus, the rate of change of the given line is 3.

Answer 2

Answer: 3 plants/seed packet

Step-by-step explanation: Using rise/run, from the y-int, the rise is 30 and the run 10, or 30/10 which = 3.