Simplify 10(2x + 3) - 20.

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

What else equals 42 and 30 for multiply

Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.