Find the slope of the line.

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

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.

Classify the following number. −9.070707…