I Desperately Need help !!! None of those files or links please Consider the circle to the right

Part A: determine the value of z
Part B: Determine m Part C: Determine m Part D: Determine m

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.

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.

Graph the line y=4/3 x+1 . use the line tool and select two points on the line.