Which of the following represents the polynomial 2x − 5x^3 − 10x^5 + 9 in standard form and identifies the degree of the polynomial and the number of terms?

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