Answer:
It was -20 that had become -13 by adding several points. Meaning seven points was added
Mixed Number Form: 6 11/45
Exact Form: 281/45
First recall that

is defined only for

, which means

requires that

.
Over this domain,

will be invertible, and so taking the sine of both sides, we have



C=2πR
C equals the <span>circumference of the circle, while π is 3.14 and R is the radius. them multiply that by 2
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