Is there a Japanese or Korean here?

If eh = hg and hg=16, find the diameter of k

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10