look at screen shot will mark brainliest if correct!!!!

Answer:
The slope of line A is 2, because it goes up 2 units and over to the right 1, but you don't write the 1 in this case.
The slope of line B is -1/2, because it goes down 1 unit and over to the right 2 units.
For the last box: The slopes have opposite reciprocals.
Step-by-step explanation:
Hope this helps you :)
Sorry if it didn't though.