Does anyone wanna talk nd b friends? Kinda lonely

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

Which theory suggested that the earth was once a signle supercontient that gradually that broke up into the contients that we know today

An earthquake’s epicenter can be determined from arrival time data recorded on a(