The reversed Ace of Cups indicates that Carlo may not be in good physical condition. He might have health issues or tiredness, which means it wouldn't be a good idea to ask him out.
The reversed Nine of Pentacles shows that Charles may not be in the best mood to go out. Are there any worries or fears that could influence his decision or prevent him from enjoying the experience. So, even in this case, asking Carlo out would not be a good idea.
The Fool indicates that Carlo is open to new experiences and is willing to face life with enthusiasm and optimism. This means that he may be willing to accept the invitation to go out. However, you need to take into account his physical condition and his emotional state before deciding whether to invite him or not.
Bottom line, given Carlo's physical, emotional and spiritual state, it wouldn't be a good idea to ask him out right now. If desired however, it is important to first ensure that he is in good physical and mental condition to face the experience.