Renting a kayak costs $3.50 per hour for children and $6.00 per hour for adults. If a family of two adults and one child goes kayaking, which equation represents the cost (y) per hour (x)?

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