Which test in SPSS should I use?

I'm trying to work out whether there are relationships between two IVs and one DV (I'm not interested in correlations between IVs, though they may overlap so).
I have no categorical data, and data for my DV and one IV meets parametric assumptions.
I was thinking that a multiple regression would be appropriate, but I am very unsure. Or could I just a simple correlation?

I'd appreciate any suggestions as I have tried to wrap my head around conditions for each test but am very confused!