Aramp is extended from a truck to the ground, and has a slope of 7/16. if y is 3.5, what is x, in feet?
a) 8
b) 12.5
c) 20
d) 24.5
e) 32

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