Oliver draws a line on his paper and from a point on the line draws a circle. he then measures the radius of his circle and constructs an arc inside his circle from a point on the circle. what is he trying to construct?
a) a square inscribed in a circle
b) a trapezoid inscribe in a circle
c) a pentagon inscribed in a circle
d) an equilateral triangle inscribed in a circle

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

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81