Answer:
Step-by-step explanation: a=13 b= 1 c=20 d=18 e=9 f=24
Step-by-step explanation:
the common ratio is -4
Gn=2 (-4)^n-1
9
multiply -3 and -2 = 6
6 + 3 = 9
so the answer will be 9
-1
yep its that okb
yaaaaay
13 is the answer that is need
