Answer:
The answer is D
Step-by-step explanation:
I just did this on edg
1.The sample is biased because it does not represent the population.
2.The question is biased toward a Yes response.
Grouping is when you have to terms that are the same inside the parenthesis and a different or same number outside the parenthesis and then the one inside the parenthesis u are going to group them not combined them and write them once and the numbers inside the parenthesis group them together by adding them and put parenthesis between them
Ex
5(4x+1)10(4x+1)
(5+10)(4x+1)