Find the difference when 6h is subtracted from 2h-4

For how answer my question this will be the last question can you answer in math subject

Use the given information to determine the exact trigonometric value.

Which ordered pair identifies a point in quadrant iv? a) (2, 5) b) (0, 1) c) (-1, -1) d) (12, -5) which quadrant is (-4,-6) in? a) i. b) ii. c) iii. d) iv.