Brainliest ! asap !

tell whether the lines for each pair of equations are parallel, perpendicular, or neither.
y = -x + 10
-2x + 3y = 6

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.