1)an employee’s hourly raise went up from 10$ per hour to 12$ per hour. what is the rate of increase? 2)a managers’ salary at green dot increased from $48,000 to $51,360. what is the rate of increase?i’m confuseddd!

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.