Aregular 18-sided polygon is rotated with the center of rotation at its center. what is the smallest degree of rotation needed to map the polygon back on to itself? is it 180 degrees or 20 degrees? or are both my answers wrong? : (

Which statement is true about the given expression? 3: 2 – 11(2y + 1) + 4 a. the "3" in the first term is an exponent b. the "u" in the second term is a constant. c. the "4" in the third term is a factor. d. the "2" in the second term is a coefficient reset next