Answer:
B. A sample in which the subjects themselves decide whether to be included in the study.
Step-by-step explanation:
In other words a voluntary response sample is a sample made up of volunteers o people who choose to be inlcuded.
Answer:510+510=1020
Step-by-step explanation:
Answer:
v=2
Step-by-step explanation:
9v-3v=12
6v=12
v=2
Do u mean 6x = x squared? if so x is 6
Answer:
x= -11
Step-by-step explanation:
Use Math way.