Answer:
Option C is correct.

Step-by-step explanation:
Let x be the distance cover by Michelle
Given:
A circle diameter is 3 miles.
And Michelle biked around the trail 4 times.
We know that
The circumference of a circle.
circumference =
----------(1)
where 
miles
Put
and r value in equation 1.


The circumference of a circle is 9.42 miles.
And Michelle biked 4 times, that is equal to 4
circumference.

.
That is equal to 38 miles.
Therefore, Michelle biked around 4 trail is 38 miles.
Answer:
1 3/4 or 7/4 or 1.75
Step-by-step explanation:
16.772 should be the farthest right.
Come on you know this! Don’t give up
Place the compass at one point and extend it halfway through the segment and draw an arc. Then use the same setting on the compass to draw another arc from point B. Then, use the ruler and the pencil to draw a line through the two points of intersection of the arcs. that is the perpendicular bisector. Hope this helps!