You can have multiple accounts, but the combined IRA and Roth IRA contributions for a tax year can't exceed the contribution limits for that year.Here's how the IRS puts it in Publication 590, Individual Retirement Accounts:Roth IRAs and traditional IRAs.
I am not sure how much, if at all, your FICO score will increase when the judgments fall off your credit report. Although not very common, under certain circumstances a judgment that has fallen off your credit report after 7 years can reappear. In addition to the 7-year credit reporting time period (CRTP), judgments also have a statute of limitations (SOL) on enforcement of the judgment.
No, judgments typically remain on your credit report for 7 years. I work in the industry and can see judgments on peoples credit that have been there since the late 70's. It is all public record and will never complete go away until a satisfied judgment is certified and recorded with your local court house.