No. Only Traditional IRA contributions are deductible if you meet the qualifications.
Roth contribution are not deductible and will not result in any tax savings.
However, if your income is low enough to qualify for the "Saver's Credit", that credit will reduce the amount that you owe.
Good point!
It depends. Roth contribution limits are based on your filing status AND your modified adjusted gross income (MAGI).
Please see the IRS link below to determine whether you will benefit:
https://www.irs.gov/retirement-plans/amount-of-roth-ira-contributions-that-you-can-make-for-2017