It would be 9720 because 18 times 45 would be 810 then times that by 12 would equal 9720.

<span>A.The blue whale has about 200 time more mass</span>
Answer:
1.5
Step-by-step explanation:
5/8 + 7/8= 1.5 or 1 1/2
Answer:
3rd option


Step-by-step explanation:
So we are given the following points:
(1,5)
(2,15)
(3,45)
(4,135)
This is a geometric sequence because there is a common ratio, 3. That is you can keep multiply 3 to a previous y-coordinate to get the next y-coordinate.
The formula for a geometric sequence is 
where
is the first term and r is the common ration.
So we have
.
If you want to know the fifth term, just plug in 5:

Simplifying:


