An auto repair bill is $146 for parts and $45 for each hour of labor. If h is the the number of hours of labor, express the amount of the repair bill in terms of the number of hours of labor.

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected