Match the numbers on the left with their equivalent forms on the right

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.

Tom drove 206 miles in 3.9 hours. estimate his average speed.

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6