Kayla got 18 out of 20 questions correct on a science test what percentage of the questions did kayla get correct

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Simplify the expression. -2/5(10+15m-20n)

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