Can somebody help me with this​

Which ahows the graph of the solution set of 6x+4y< 12

Identify the number as a rational or irrational.explain. 127

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.