John's goal is to have more than -7 in his bank account by the end of the month. the variable d is the number of dollars in john's bank account at the end of the month. write an inequality in terms of d that is true only if john meets his monthly goal.

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