BRO SOMEONE PLEASE HELP ME

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 effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor