What are the odds of rolling two number cubes and getting a sum of eight?

What is the product? (x2+3y+7) [yy+1)

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis. how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

Select the number of ways in which a line and a circle can intersect