Using the following equation, find the center and radius of the circle. you must show all work and calculations to receive credit. x2 + 4x + y2 − 6y = −4

I’m not absolutely sure but i think it’s 7x6x5x4x3x2=5040 because as the first character you can take any of the 7 given then you are left with 5 then 6 then 4 etc.

1/125 probability for each student so, a 0.8 percent probably of winning per student.