Well, I can't figure out the answer at the moment, but I can give you a tip. Just substite each possible sign in the to see if one works... for example: +++, x+-, ++-....
Hope this helps you out :)
I believe it is C because I counted the dots in the shaded region.
Hope it is correct :)
The answer is A because if you do the 40 dagree and a coodinate plane it forms a triangle.
Answer: to do that you would use slop x2- x1
-------- = rise/run = slope
Y2-x1
Step-by-step explanation: