Awooden plank of length x is cut into 8 sections such that each section is at most 2 1/2 meters long. what is the length of the entire plank in meters?

1. are the triangles similar and if so why? what is the value of x? show your work.

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap

3.4a=57.8 what is the the value of a