triangle ABC lies on the plane such that point b is at B(-8,-4). the midpoint of side AC is M With coordinates M(7,5). if a segment from A was drawn to the midpoint of side BC then where would it intersect BM

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?