Join my zoom and happy Friday
id 597 161 9909
password n

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

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?