Any portion of the circumference of a circle is called a(n)

a. diameter
b. radius
c. center
d. arc

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Which of the following can be used to explain a statement in a geometric proof?

Use the given information to determine the exact trigonometric value.