Distinguish between the constant difference and constant ratio :use examples for each co concept​

12. decide whether each statement is always true, sometimes true, or never true. a. when corresponding points of an original figure and its reflection are connected, the resulting segments are all perpendicular to the line of reflection. b. when a point is reflected over a horizontal line, the y-coordinate of the point stays the same. answer both questions and explain

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Could somebody me with this radical simplification?