A dolphin was swimming 4 feet below sea level. The number line shows the location of the dolphin. It then dove down 3 feet. Describe how to use the
number line to find the new location of the dolphin
-10 9 8 7 6 5
0
2
8
9 10
A. On the number line, move 3 units to the right. End at -1. The
dolphin was 1 foot below sea level.
O B. On the number line, move 3 units to the left. End at 1. The dolphin
was 1 foot above sea level.
C. On the number line, move 3 units to the right. End at 7. The dolphin
was 7 feet above sea level.
O D. On the number line, move 3 units to the left. End at -7. The dolphin
was 7 feet below sea level.

(100 points) project: progressive era research your topic and write at least seven hundred words to discuss one of the following topics. a. evaluate the impact of progressive era reforms. b. evaluate the impact of progressive reform leaders such as susan b. anthony or robert lafollette. c. evaluate the impact of third parties and their candidates such as h. ross perot and george wallace on america. note: as with any research you do, evaluate the validity of your source: a. who is the author? b. is the author an authority on the subject? c. how does the author use language? d. what sources appear in the author's work? e. from what you know or have learned about the author, is the presentation inappropriately biased?