Parallelogram ABCD has the following vertices A(0,8), B(8,4), C(2,-8), D(-6,-4) is ABCD a rectangle and why?

Kelly is three years younger than her sister. the sum of their ages is 34 years. how old is kelly and how old is her sister?

Ahomeowner plans to hang wallpaper on one wall of a bedroom that is 10 feet long if a stripe of wallpaper is 20 inches wide and stripes or hung vertically how many stripes on wall paper with the homeowner required

In a column proof the right column states your reasons