How to round 153,394 to the nearest hundred thousand

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract

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