The number of hearing aids that needs to be produced and sold is?

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.)

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?