For Question 5, the best inference about Lady Macbeth that is supported by her conversation with her husband in Act 1, Scene 7 is:
b Lady Macbeth is ruthless and cunning, and she will do whatever is necessary to make sure Macbeth becomes king.
For Question 6, the quotation that best supports this answer is:
b “I would, while it was smiling in my face,/ Have plucked my nipple from his boneless gums/ And dashed the brains out, had I so sworn as you/ Have done to this.”
This line illustrates Lady Macbeth's fierce determination and willingness to commit horrific acts to achieve her goals, highlighting her ruthlessness and ambition.