Geometry Special Right Triangles: What is the answer for, h times the square root of 3 equals 4. Also am I doing this right?

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

Through: (-3,-3) parallel to y= 7/3x+3

Describe the relationship between the angles of similar triangles and the sides of similar triangles