As for the delta Mirage, the French versions are quite specialized, mostly due to budget constraints afaik.
The 2000C (and 2000-5) are primarily "blue" fighters, CAP, Interceptions. They do retain a basic A2G capability.
The 2000D and N are specialized strike "green" versions, both are low level and high speed penetration (NOE @600 Kts) strike aircrafts, the D carrying conventional weapons, while the N carries primarily nuclear devices (ASMP missiles) with a basic A2G capability. They don't have a gun though.
Then you had the Mirage IV which was an "high-high-high" nuclear strike aircraft from 1964 to 1996, then used a strategic photo recon until 2005.
Now if you take the non-delta Mirage into consideration, namely the Mirage F1, you've got more flexibility with strike (CT) and recce (CR) capabilities.
What the modern (French) Mirage family lacks is a true SEAD capability, as the Martel missile was carried by the Mirage IIIE, then by the Jaguar (and by the Atlantic).
Speaking of which, a typical combo the French deployed in the area you choose for the first three scenarios would be made of Jaguar, Mirage F1 and Atlantic (ACCP, Elint) aicrafts.