If i buy 3.5 meters of ribbon how many laces can i make if i need 15.5 cm per each lace

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

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