Five people can finish painting a wall in 5 hours if only 2 people are available how many hours do they have to work to finish the same job with solution please
and what type of proportion
thank you very much​

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.

Which of the following graphs could represent a quartic function?

What is mean median mode and range?