What is the measure of angle BEC?

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take