A small dog gets fed .75 cups of dog food twice a day. Using D for the number
of days and F for the amount of food in cups: *
write an equation relating the variables and use the equation to find how many days a large bag of dog
food will last if it contains 210 cups of food.

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