Indicate whether the measures 7, 7, and 11 can be the side lengths of a triangle. If they can, classify the triangle.

yes; obtuse
yes; right
no
yes; acute

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