Math test please help

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year