please help answering these question please i want to help understanding please

question 1 what statements are true for Tax Year 2020, in regard to contributing to a traditional or a Roth IRA?

question 2 A taxpayer whose only capital gain income consists of dividend distributions from a mutual fund investment should compute their tax liability using: question 3 Keith (54) has not yet reached the minimum retirement age. However, he suffers from a debilitating illness and retired on disability in 2020. While he was working, his employer paid for his disability policy with pre-tax dollars. How are Keith's disability pension benefits reported on his tax return? question 4 Robert (31) may not be claimed as a dependent on anyone else's return. His filing status is single. During the year, he paid $3,800 in qualified student loan interest. His modified adjusted gross income prior to subtracting any deductions is $108,500. If he has no other adjustments to income, what is the maximum amount he may claim for the student loan interest deduction his 2020 tax return? Question 5 A taxpayer who claims the standard deduction rather than itemizing may still be eligible to claim all of the following adjustments to income ?