Step-by-step explanation:
What is a34 of the sequence 9,6,3,..
r=a2-a1
r=6-9
r=-3
a34=a1+33.r
a34=9+33.(-3)
a34= 9-99
a34= -90
hope this helps!
bye!
Answer:
(value - mean)/standard deviation.
Now substitute 78 for the value, 84.5 for the mean, and 3.1 for the standard deviation.
Step-by-step explanation:
I believe the answer is d 67 or c 55 because it's the closest number.
If you begin with 300 and sell a third of it, then 2/3 remains. Each portion can be seen as 300.
