Find the length of the third side to the nearest tenth.
2
4

12. decide whether each statement is always true, sometimes true, or never true. a. when corresponding points of an original figure and its reflection are connected, the resulting segments are all perpendicular to the line of reflection. b. when a point is reflected over a horizontal line, the y-coordinate of the point stays the same. answer both questions and explain

Use the x-intercept method to find all real solutions of the equation. x^3-10x^2+27x-18=0

I'll give brainliest if you answer right : )