When measuring the depth of a submarine, +100 means the submarine ascended 100 feet and –100 means the submarine descended 100 feet. Use a complete sentence to describe what multiplying 2(–100) means in the context of this problem. Calculate 2(–100) and write a sentence describing what the answer means in the context of this problem. Be sure to label your answers as part a and part b.  Write your explanations using complete sentences.

When measuring the level of water in a river, +3 means a rise of 3 feet in the level of the water, and –3 means a drop of 3 feet in the level of water.  Match each problem with the best description in the context of this problem.                                       Explain what the expression 2(–3) means in context.                                       Calculate 2(–3) and explain what the answer means in context. A. Two times, the water level dropped 3 feet. B. The water level dropped a total of 6 feet.

Jada’s home is 3 4/10 miles from the library. Tyler’s home is 1 6/10 miles from the library. How many miles farther is Jada’s home than Tyler’s home from the library? Answer Choices:    2 2/10 miles 1 14/10 miles  1 8/10 miles  2 miles Which one should i choose

Susan says she Googled and found the population of the United States is approximately 328 million people so that is the answer.  What mistake did Susan make?

The Taieri Plain in New Zealand is 6 feet below sea level (or -6). If you care standing 3 feet above sea level, is your elevation the opposite of the elevation of the plain? Describe the steps you would follow with a vertical number line to find the answer.

Cheryl bicycles 12 mph with no wind. Against the wind, she bikes 8 miles in the same time that it takes to bike 14 miles with the wind. What is the speed of the wind? Fill in the table to translate the information from this problem if w represents the speed of the wind. Be sure to use parentheses appropriately, if needed in the expression and do not use any spaces.