Hong reads 9 3/4 chapters in 3 3/8 hours. what is the unit rate in chapters per hour? write your answer as a fraction or a mixed number in simplest form.

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.

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

I’ve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.