Acircle has the equation (x-2)^2 +y^2 =5. what are the coordinates of the circle's center?

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?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Need plz been trying to do it for a long time and still haven’t succeeded