Right answer gets brainlist

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?

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol