Y=-2
x=-2y=6

y=-2
x+2y=6

x=-2
2x-y=3

x=-2
2x+y=-3

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

What number gives you a irrational number when added to 2/5

Anumber is equal to twice a smaller number plus 3. the same number is equal to twuce the sum of the smaller number and 1. how many solutions are possible for this situation