Which of the phrases from the passage best helps the reader understand the meaning of regulator?
A. Supply the exact amount of fuel needed for an engine to run.
B. The piece that fits into the divers mouth.
C. Automatically adjusted the pressure of the air in the tank.
D. The system was being sold in several countries throughout the world

The tone of this speech could best be described as expressing a feeling of read the excerpt from president ronald reagan's speech on the night before the 1980 presidential election, i believe we can embark on a new age of reform in this country and an era of national renewal an era that will reorder the relationship between citizen and government, that will make government again responsive to people, that will revitalize the values of family, work, and neighborhood and that will testore our private and independent social fear hope anger pride

When lawrence saw the posters for the circus hanging on the bulletin board, as he swept up the trimmings at slim's barbershop, he knew he would be taking his little cousins. they loved animals, and he was looking forward to seeing the smiles on their faces as the circus performers amazed them with their stunts. but sweeping up hair clippings didn't pay a whole lot. lawrence spent 45 dollars just getting tickets. but it was worth it to see his cousins' faces. the day finally came and everyone was excited as they walked into that big circus tent. but lawrence soon realized that he and his cousins would be thirsty and hungry. as they sat in their seats, the drink vendor walked by selling beverages. desperately thirsty, lawrence asked him how much a lemonade would cost, and the drink vendor said, "eleven dollars each." lawrence replied, "oh, that's it? just eleven dollars? what a great deal for one cup of lemonade. that's totally worth it." the drink vendor walked away. which type of irony is used?

Which words best describes the speakers?