If MN=10, MP=x-1 and PN=x+1 what is the value of x

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

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?

The slope of the line whose equation is 2x - 1 = 0 is