Answer:
-46
Step-by-step explanation:
We need to find the common difference of this arithmetic sequence:

So, the common difference d = -4. We can now write the equation:


So, the 15th term is -46.
Hope this helps!
Answer:
-35.5
Step-by-step explanation:
The probability of not drawing a penny is 13/20, or 0.65, or 65%