Please help will give brainlist​

What describes horizontal cross section of the right rectangle 6m 8m 5m

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

How is this equation completed? i cannot find any examples in the book.