Problem Solving with Angles. Quiz. Level Find the value of x andy.
90°
X
117°
x = 45°, y = 45
x = 27", y = 63
x = 63", y = 27
x = 117", y = 117

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.