Which word could best replace either the underlined sentence or word in the paragraph?

“every dog has its day! ” it comes to those who are committed to their goals and never give up trying to achieve them. if you work hard and focus on what you want, eventually you will experience triumph. it’s only a matter of time before good things happen. that’s the advice my father gave to me, and i’m a firm believer in it.

a.
perfection

b.
knowledge

c.
success

d.
persistence

Plz asap read this sentence from paragraph 3 of the article. the boys and girls are merely asked to obtain the signatures of ten friends or relatives. how does the word "merely" affect the meaning of the sentence? a- it suggests that asking people to subscribe to the washington times is something negative. b- it implies that obtaining ten signatures is not a requirement for receiving a prize. c- it downplays the fact that to win the prize, children must ask people to subscribe to the washington times. d- it emphasizes that children receive the prize only if they obtain ten signatures.

One of the author’s purposes in the code book is to explain different types of codebreaking to his readers. which line best demonstrates this purpose? a theoretical breakthrough would be a fundamentally new way of finding alice's private key mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted . . in a computer's display unit if scientists could build a quantum computer, it would be able to perform calculations with . . enormous speed

In this excerpt from act 1 scene v of macbeth what does lady macbeth imply about macbeth