What id the other part of the question?
I believe that the answer is D) all real numbers.
One full turn is 360 so the equation would be 360/ 30= 12
This site may help you
http://www.cpalms.org/Public/PreviewResourceAssessment/Preview/65260
1. 4y – y and 4 because “4y – y = 4.”
not equivalent because we don't know what y is
2.not equivalent
2x + 7x and 9x because “5 + 3 = 8.”
I would say B sorry if im wrong tho