Look at the graph What is slope of the line

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

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

In what organelle does photosynthesis take place?