Answer & Step-by-step explanation:

Add 1 to both sides.

Multiply both sides by 4.

Take the square root of both sides.


Subtract 5 from both sides.

Answer:
Look at the picture
Step-by-step explanation:
The answer is B. -9
Answer:
See Below.
Step-by-step explanation:
5.) A, C
6.) A, B, D
Answer:
Step-by-step explanation:
Sample more families
sample families that have children who are not in seventh grade
sample families whose answer to the survey question is predetermined