Circle N is shown. LIne segments L N and M N are radii. The length of L N is 4. Angle L N M is 72 degrees. Sector L N M is shaded.

What is the ratio of the sector area to the area of the entire circle?

One-fifth

One-half

2

4

(answer is 1/5)

What does x equal in: 5x-2+x=9+3x+10

What is f (5) when f (x) = 5x+5

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