Form the union for the following sets. X = {0, 10, 100, 1000} Y = {100, 1000} X ∪ Y = {0, 10, 100, 1000} {0, 10} {100, 1000} { }

What two criteria are needed for triangles to be similar

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

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left