At a museum 100 posters are displayed in each of 4 rooms. altogether how many posters are displayed

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

Which expression is equivalent to sq-80

Asphere has a diameter of 10 in. what is the volume of the sphere?