I believe you meant the equal signs to be division symbols haha. The next step would be 18/6.
Answer:
f(8)=20..The answer is 8 :)
Answer:
(a) 
(b) 
Step-by-step explanation:
(a)
can also be written as
x 
the
= ± y
Therefore :
= ±
since it was given that y < 0 , then the factor will be 
(b)
can also be written as :
x 
Therefore , one of the factor is 
11) is 40
12) is 30
13) is 28
Answer: -3
Step-by-step explanation:
The common ratio of the geometric sequence –4, 12, -36,... is -3.
12/(-4) =-3
-36/(12) = -3
They both multiply -3 for the next number.