Can someone help me write a paragraph abt this for colonialism? PLEASE AND THANK YOU!!

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

What is the approximate chemical composition of the solar nebula?

The ratio of the measures of the three angles in a triangle is 14: 15: 11 find the measures of the angles