Which pairs of angles are supplementary

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?

In a quadratic function of the form ax^2+bx+c, which of the following is not true? a. the y-intercept is c. b. if a is positive, the parabola opens up. c. the vertex has an x-coordinate of -b/2a. d. the axis of symmetry is the line y=-b/2a.