If ab and cd are congruent what is the measure of chord ab

Which graph shows a function with a range of all real numbers greater than or equal to -1

Does the point (1, sqrt 7) lie on circle shown.

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x