HELP! what is the unit rate???

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

Find the value of x. give reasons to justify your solutions! c ∈ ae