I don't see anything, but any line that doensnt have the right angle sign is not perpendicular.
Answer:
160
Step-by-step explanation:
120 is three parts therefore one part must be 40
40*4 is 160
I need help with this one to
B~ The line has a negative slope
For a function to have a derivative in a point has to be continuous at the point, that is, it has to be defined at that point, other wise the derivative would be meaningless.