Aquarter is tossed around the air 850 times about how many times would you expect the quarter to land on heads

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

The lengths of the two sides of a right triangle are 5 inches and 8 inches what is the difference the possible lengths of the third side of the triangle

The diagram shows some steps in the construction of the inscribed circle of abc. which diagram shows the next step in the construction?