I need help on this question I need the answer please

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?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0