Answer:
a)
b) (i)
(ii) 
Step-by-step explanation:
It is given that,
a)
We need to find the value of a+b+c.
b)
(i) We need to find the value of a+2c.
(ii) It is given that a+2c=kb, where k is an integer. We need to find the value of k.
On comparing both sides, we get

Answer: 2.05 inches
Reason:
Divide the two values to get (14.35)/(7) = 2.05
Four to the fifth power is...
4•4•4•4•4=1,024
40+5=45 is written in extended form so your answer is 45