Sylvia is on a moving sidewalk traveling north at a velocity of 3 m/s. She walks south at 2 m/s. What is her resultant velocity? Include unit and direction

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

Triangle xyz has vertices x(1,3), y(0,0)

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