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Find the slope of the line?

-1/7

Step-by-step explanation:

If you count up once, for the y-value, then count over 7 times for the x-value, you get 1/7, rise over run.

Then, if you see the slope going backwards, you can see it is negative. Therefor, we get -1/7 for the slope.

9 m²

Step-by-step explanation:

The area (A) of a sector of a circle is

A = area of circle × fraction of circle

  = 72 ×

  = 72 × = 9 m²