Answer:
kkajjjssnensi
Step-by-step explanation:
hdhdb
jakakke
jjwjne
kakam
I will leave out the base, b since it's the same for all these logarithms.

Answer:
(a)


(b)


(c)


Step-by-step explanation:
(a) This is a sequence of consecutive number



(b) This is a sequence of 2 to the power of n - 1. The next number is twice time of this number



(c) This is factorial sequence. Where the next number is this number multiplied by 



21 divided by 3 is 7.
So, that'll result in 7 people in each van.