why does it always increase by one? will report if use this just for points and will give 200 more points if correct I need this asap

Choose all answers that apply: a) ab and a’b’ are one the same line. b) quadrilaterals abcd and a’ b’ c’ d’ have the same perimeters. c) points a and a’ have the same coordinates. d) none of the above

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9