Can someone plz me out? i always get ignored ; (

The pair of coordinates that do not represent the point( 5,150’) is a. (5,-210) b. (5,210) c. (-5,330) d. (-5,-30)

Layla answer 21 of the 25 questions on his history test correctly.what decimal represents the fraction of problem he answer incorrectly.

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.