The term reliability in psychological research refers to the consistency of a research study or measuring test. For example, if a person weighs themselves during the course of a day they would expect to see a similar reading. Scales which measured weight differently each time would be of little use.
Is this more then one question?
Answer:
a) 432y
b) -72a^2
c) -6a - 5ab
d) 104y-46
Step-by-step explanation:
Answer:
72x56x267 then put those together and you get the answer