If you simplify the expression, you will get A, E and D
She would have had to buy 8 key chains for three dollars a piece.
Answer:

Step-by-step explanation:
People surveyed = 42
People who approved = 25
<u>So, the sample is:</u>
25 residents who approve.
<u>And population:</u>
42 residents surveyed.
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William needs 102.6 fencing in all because 76.9 plus 25.7 equals 102.6, hope this helps!
Every point in the unit circle is identified either by its coordinates
or by the angle it forms with the x-axis,
.
The trigonometric functions associate with every angle
and the correspondant
coordinates the two values

This procedure can be done for every angle
, so you don't have to work with acute angles only.