Which number line shows the sum of -8, 4, and -2? O
A +
-15
10
-5
0
5
10
15
B the
- 15
- 10
-5
0
15
10
15
O
Chef
15
-10
5
0
5
10
15
O
D
-15
-10
0
5
110
15

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.