Answer:
Brother's age = 15
Sister's age = 9
Step-by-step explanation:
The answer is 3 (x+b) (x-2)
Yw! :)
The answer to this equation would be 7/20. Hope this helps! :D
~PutarPotato
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.