The best answer to the question above would be letter C. A canceled US Treasury check for the purchase of Alaska is an example of a primary source document. This is because the check was the direct source or the document that was used or that was present during the purchase of Alaska.
Answer:
my answer is x(x+3) + 2(x - 3)
Answer is a. 2
3 - 2x= -7
- 2x = -4
x = 2
<h2> scientific notation is 7.63x10^-1</h2>
Hi which letter are we supposed to do?