Expand -f(9-2f)+4f(f-8)

Consider circle o, where and . m∠bpd °. °.

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

If wxyz is a square, which statements must be true? plz < 3