Which of the following data recording procedures is best used for behaviors that have a clear ending and beginning, do not occur throughout an interval, but still occur at high rates? a. partial intervalb. time samplingc. whole intervald. duration

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.