A local cell phone company off ers two different calling plans. In the fi rst plan, you pay a monthly fee of $30 and $.35 per minute. In the second plan you pay a monthly fee of $99 and $.05 per minute a. Write a system of equations showing the two calling plans.
b. When is it better to use the fi rst calling plan?
c. When is it better to use the second calling plan?
d. How much does it cost when the calling plans are equal?

The answer would be c

The choices are:
a.the center of the inscribed circle of the triangle
b.the center of the circumscribed circle of the triangle
c.the point of intersection of the angle bisectors for the triangle
d.the point of intersection of the perpendicular bisectors and the angle bisectors for the triangle

The answer to your question is B. I hope that this is the answer that you were looking for and it has helped you.