X - 8 = y
where x = the original length of the board
and y = the correct length of the board :)
More information is needed to find the original or end lengths of the board.
Answer:

Step-by-step explanation:
A sequence that has a common difference is an <em>arithmetic sequence</em>:

where aₙ is the nth term, n is the index, and d is the common difference.
In your question:
Plug those into the formula:

Then solve:

Your answer is c 11 hope that helped
I’m pretty sure the answer is 30!
Answer:
for me it was d=3.2t+0.6
Step-by-step explanation:
but to find the part where they intersect its (0.75,3)