I'm pretty sure the answer is C
Answer:
(a)
Step-by-step explanation:
Given
4x - 1 = x ( subtract x from both sides )
3x - 1 = 0 ( add 1 to both sides )
3x = 1 ( multiply both sides by 10 )
30x = 10 → (a)
Answer:

Step-by-step explanation:
Given


Required
Determine the 7th term
The nth term of a gp is:

So, we have:




