Please kindly help with this question.

1. Jacob and Dayna are married but file separately. which of the following credits are they eligible to claim?
2. Which of the following factors should be takin into account when completing Step 4b of the form W-4?
3. Which of the following individuals may qualify for health savings account (HSA)
4. A taxpayer may elect to include nontaxable combat pay earned income for purposes of two specific credits. What are those two credits?
5. The amount of qualified education expenses used to calculate the American Opportunity Tax credit (AOTC) is:
6. Which of the following are allowed as actual vehicle expenses?