HELP PLEASE Which of these describes the equation-18x + 9y = -416
A: this equation is not linear because it has 2 variables not 1.
B: The equation is not linear because it is not in the form y = mx + b.
C: the equation is linear because it has variables with exponents of 0.
D: The equation is linear because it can be rewritten in the form y= mx + b.

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Which statement accurately explains whether a reflection over the y-axis and a 270° counterclockwise rotation would map figure acb onto itself? a coordinate plane with figure acb with point a at 1, 1, c at 3, 4 and b at 5, 1 yes, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) yes, a″c″b′ is located at a″(1, 1), c″(3, 4), and b″(5, 1) no, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) no, a″c″b″ is located at a″(1, 1), c″(3, 4), and b″(5, 1)