Andres dog weighs 18 pounds. the vet says the breed of his dog typically weighs about 8 kg. how many kg is andres dog above the typical weight? (one kg is about 2.2 lbs.)

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.