Which equation is graphed here?
A) y=3
B) x=3
C) y+1=3
D) x-1=3

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 difference between the predicted value and the actual value

Is this a polynomial function? i need to know asap