Aregular 40-sided polygon is rotated with its center of rotation at its center. what is the smallest degree of rotation needed to map the polygon back on to itself?

Which is an accurate comparison of the two data sets? the commute to work is typically shorter and more consistent than the commute home. the commute to work is typically shorter but less consistent than the commute home. the commute to work is typically longer and less consistent than the commute home. the commute to work is typically longer but more consistent than the commute home.

3/4 + p = 1/2? i’m not sure how to solve it

With this question, the answer with the red arrow is incorrect!