PLEASE HELP Which graph shows equivalent ratios?

A. On a coordinate plane, a line goes through (0, 0) and (3, 1).
B. On a coordinate plane, a line goes through (0, 5) and (3, 3).
C. On a coordinate plane, a line goes through (0, 2) and (2, 3).
D. On a coordinate plane, a line goes through (0, 6) and (4, 5).

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?

What is the value of p in the equation y^ = -4x?