Given; f(×)= ײ-9×+20 , g(×)=ײ+×-30, and h(×)=ײ-25

find:
1. (hg)(×)
2. (h/g)(×)
3.(f/g)(×)
4.(f/h)(1)
5.(fh)(-2)


please answer this ASAP!!​