Y^2=
y
2
=
\,\,40
40

What percent of the circle below is shaded?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

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.