Susan graphed a system of equations for the lines y

=

3

x

+

1

and

y

=

3

x

−

10

. Which statement is true about Susan’s lines?

What is the distance between (–2 1/2,-3) and (1, –3)?

Which system of linear inequalities is represented by the graph?

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.