The domain of a relation is a. the output (y) values of the relation b. the input (x) values of the relation c. a set of points that pair input values with output values d. x and y values written in the form (x, y)

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.

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution

Pls the last one and it has to be like number 6