Math 8th grade need help equation in picture

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Identify the number 127 as a rational or irrational. explain

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m