I believe the correct answer is C. The variation of the function y/x^2=5 would be stated as " y varies directly as the square of x." It is a direct variation since as the y value increases, the value of x increases but increases raise to the power of 2.
Reflectional symmetry<span> exists when the figure can be folded over onto itself along a line. This line is called the "line of symmetry". The correct answers for this would be. </span>-A line of symmetry will connect a vertex and a midpoint of an opposite side -it has 7-fold symmetry.