Answer:
Step-by-step explanation:
Common ratio (r) = 2nd term / 1st term = 15/3 = 5
Recursive formula:

Explicit formula:
a = first term = 3

I think its the first answer choice
Answer:
A. 3/20
Step-by-step explanation:
since there are 3 marbles, and 20 total marbles, you have a 3/20 chance of picking yellow
Answer:
-14
Step-by-step explanation:
Plug 3 in for x
-2 (3)² + 3 + 1
-2 (9) + 3 + 1
-18 + 3 + 1
-14
Answer:
Global warming is a huge problem
Step-by-step explanation: If the ice caps melts, that means that there is more water in the ocean, the more water in the ocean, the less land there is to live on.