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Question 7 (1 point) Point A = (1, 3, 4) and point B = (-2, 2, 0). Determine AB. O (-1, 5, 4) O (3, 1, 4 ) O (-3, -1, -4) O (1, 5, 4 ) Question 8 (1 point) m(na) = ()a conveys which property of scalars? O identity property O associative property distributive property none of the above Application Question 9 (3 points) A and ' form a right angle. |4| = 8 and |B|= 1. Determine |A - B|. A/