How do i write 4x 5 - 16x 2 + 13x8

What is the measure of angle tvu shown in the diagram below

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.

Select the number of ways in which a line and a circle can intersect