Find the circumcenter of the triangle points -4,1 -4,-3 0,-3

Which sequence of transformations on preimage ∆abc will not produce the image ∆a'b'c'? a. reflection across the line y = x b. rotation 180° clockwise about the origin followed by a reflection across the line y = -x c. reflection across the x-axis followed by a reflection across the y-axis d. reflection across the line y = -x followed by a rotation 180° counterclockwise about the origin e. reflection across the y-axis followed by a rotation 90° clockwise about the origin

Distance that lewis and clark traveled from st. louis to ft. clatsop near the pacific ocean.

The physical processes that create most of earth's physical features, including mountains, are known as