How do you solve this and what is the answer?

y-3=5/2(x-3)

What numbers are included in the set of integers? what numbers are not included?

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

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