On the subway 8 out of 11 people are carrying a briefcase based on this information if there are 700 people on the subway and then how many do not have a briefcase

What is the vertex form of f(x) = x2 + 6x + 3

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

Can someone explain to me how to do