3. C, as negatives cancel for only one term
4. C, as there are no negatives to cancel
5. A, as negatives cancel for only one term
Answer:4
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer:

Step-by-step explanation:
The formula is 
<em>We need to solve for
, so we can perform the steps shown below:</em>

Hence, the third answer choice is correct.