Aregular polygon has an exterior angle of 18 degrees how many sides does it have

Can anyone me with 32,33,36,37,and 40.

Which of the following transformations will always produce a congruent figure?

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders