Answer:56
Step-by-step explanation:
with 16 into 55 do that math then put the number you got then put it into another 16 boom 56
Answer: 118.54
Step-by-step explanation:
Answer:

Step-by-step explanation:
k is a positive integer.
Consider an arithmetic sequence:

First, find n:

Now, find the sum of these 2k+1 terms:

Answer:
A, 8
Step-by-step explanation:
Use the equation 15+4x=47
Subtract 15 from both sides to get
4x=32
divide to get 8
x=8