Answer :
7
Step-by-step-explanation :


Answer:
DC
Step-by-step explanation:
A radius is a line segment extending from the center of a circle to the circumference.
Relative dating
<span>Radiometric Dating
</span>http://www.ucmp.berkeley.edu/cenozoic/cenozoic.php Cenozoic era link
http://www.livescience.com/38596-mesozoic-era.html mesozoic era link
http://www.livescience.com/37584-paleozoic-era.html Paleozoic era link
http://www.nationalgeographic.com/science/prehistoric-world/precambrian-time/ Precambrian time link
Answer:
D. x=100 and y=85
Step-by-step explanation:
In a polygon inscribed in a circle the sum of opposite sides is equal to 180 degrees