Which of the is the proper operation of 3/7?

- (2, -7)

- lines r and s and lines t and u must be parallel

i dont know the answer but here's a picture of a dog

parallel lines have the same slope. so if the green line has a slope of -4, the slope of the red line is also -4.

answer: math isn’t just mysterious because the majority of us find it so difficult to understand – it’s also the basis of the universe, giving us clues to physical phenomena like the motion of gases in the atmosphere and the way that physical particles interact with each other amid all the possible variables in three-dimensional space.