Give me the answers for all of them hurry I only have 10 minutes!!

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.