I think the answer is both x and y are positive
The equation is two different types and a number and in the question you have to multiple
Easy 31 feet per second take 279 and divide it by 9 and you get 31
parallel lines or skew lines
- Parallel lines are in Same plane or Coplanar but donot intersect each other.
- Skew lines lie in same plane but don't intersect each other.