What is the GCF of 61 & 73

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

What is the value of x? enter your answer in the box. (cm)

What numbers are included in the set of integers? what numbers are not included?