ok, let's try a few;
7a killing (an offering to a deity) (11)
13a set to work (3,4,2,8)
31a problem fixer (14)
44a academic half-year term (8)
6d close at hand (5,3,6)
12d rearrange voting areas to benefit one party (11)
32d final performance of a career (8)
34d jesters insignia (3,3,5)
39d TV person (9)
Thanks for your help, and replies!