Evaluate each of the following:
(a) (−30)÷10
(b) 50÷(−5)
(c) (−36)÷(−9)
(d) (−49)÷49
(e) 13÷[−2+1]
(f) 0÷(−12)
(g) (−31)÷[(−30)+(−1)]
(h) [(−36)÷12]÷3
(i) [−6+5]÷[−2+1]
If A=[3724],B=[0253] and C=[1−5−46] Find: AB - 5C