-3/4×(-12)= ? solve please

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

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

Solve the formula ax+ by = c for x.