Reduce to hours and minutes 66000 seconds​

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution

Atransformation was performed on rectangle c as shown in the graph. what type of transformation was performed? does that transformation result in congruent shapes? you people