Which of the following statements does not prove that ABCD is a parallelogram. Given: A(-4, 7), B(3,0), C(2,-5) and D(-5, 2).

Triangle xyz has vertices x(1,3), y(0,0)

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 evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.