Answer:
Step-by-step explanation:
i). 

= 8a²
ii).
= 
= 
= 9a²b²c²
Answer:
Basically the first image goes in the first box because opposites attract and the second image is what happens when you let the magnets go. The third image would go into the second chart because same-sides repel each other and the fourth picture shows what happens if you let the magnets that have the same sides facing each other go.
Step-by-step explanation:

Rationalize.

This can be further simplified to the decimal:
-0.43006...
I hope this helps :)
Answer: t = 2698 as question is written. Just subtract 14 from both sides. There is either a typo in the question or the answer choices.
Step-by-step explanation: