Cerium-144 is a radioactive isotope with a half-life of 285 days. How lonh would it take for an initial sample of 10 grams of Cerium-144 to decay until only 1 gram remains?

a. about 2850 days

b. about 513 days

c. about 947 days

d. about 855 days

Read the excerpt from The Canterbury Tales. God's arms!" exclaimed one of these debauchees, "Is the fellow then so dangerous to meet? In highways and in byways, street by street, I'll seek him out, I vow it on God's bones.

Read the passage. We were glad that she had made a friend. We weren't sure about the offhand attitude in which she ditched the presentation and us!

Read the following sentence from "The Middle Passage" by Olauduh Equaino "Many a time we were near suffocation, from the want of fresh air, which we were often without for whole days together.

Select the correct answer. Chopin's protagonist in "The Story of an Hour," Louise Mallard, utters the words "free, free, free" after she receives the news of her husband's death. What theme of the story does this action most clearly reflect?

Like the proverbial cat, she seems to have nine lives.

Which sentence or sentences in the passage contain spelling errors? My summers are just awful. For as far back as I can remember, this has been the one steady fact of my life. Summer vacations are awful.

Match each example to the correct type of conflict Frank feels guilty about not telling his friends he can't make it lo their party Mr Farris's letters to the editor of the local newspaper turned into a heated exchange with another reader Mark

Infer Describe the gifts that Mr. Pirzada gives Lilia and how Lilia cares for these gifts. Why might she feel she should not eat the candy "in a casual manner"?

What does hamlet mean when he calls rosencrantz a sponge?

Some versions of the play have "sullied" instead of "solid." How does that change alter the focus of Hamlet's disgust?