What is the vertical change from point a to point b what is the horizontal change from point a to point b

Answers:

Explanation:

Imagine that we have point A as a buoy in the water. So the horizontal line through 1 on the y axis is the water line. How much should the water line go up so that points A and B are on the same horizontal level? That would be 1 unit up. This is the vertical change. Another term for this is "rise".

After the water goes up, and A and B are on the same level, the question is now: how far to the right do we go from A to B? That would be 2 units. This is the horizontal change. Another term for this is "run".

Using those two values, we can compute the rate of change aka slope.

slope = rise/run = 1/2 = 0.5

So each time we go up 1 (rise) we move to the right 2 (run).

The slope is positive since we're moving uphill while moving to the right.

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.

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