900,000+4,000+500+3 in standard form

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

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm