What is the most important reason that christianity is so geographically widespread? a. the emigration of christians to non-christian areas around the world b. the conquest of non-christian areas by christian colonial powers c. trade between christian nations and nations of other faiths d. the increased availability of new technology and forms of communication

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