There are 4 000 people at a concert. 70% of these bought their tickets in advance. How many people at the concert bought tickets in advance?

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.