Katie is running a marathon. after 30 min she had run 5 kilometres and after 2.5 hours she had ran 34 km. what was her average rate speed?​

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

Find parametric equations for the line. (enter your answers as a comma-separated list of equations. let x, y, and z be functions of t.) the line in the direction of the vector 5 i + 5 j − 6k and through the point (−4, 4, −2).

Which of the following is a justification used while proving the similarity of triangles lom and mon