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Questions in Grade Middle-school

[Homework Help] A substance that moves across a cell membrane without using the cell's energy tends to move: A. Away from the area of equilibrium B. Away from the area where it is less concentrated C. Away from the area where it is more concentrated D. Toward the area where it is more concentrated

[Homework Help] What number is 70% of 35?

[Homework Help] An artificial lake is in the shape of a rectangle and has an area of \(\frac{9}{20}\) square mile. The width of the lake is \(\frac{1}{5}\) the length of the lake. What are the dimensions of the lake?

[Homework Help] The highest point in California is Mount Whitney at 14,494 feet above sea level. The lowest point is Death Valley at 282 feet below sea level (-282 feet). What is the difference in elevations? How?

[Homework Help] Organisms in the same ecosystem are all A. interrogative B. interdependent C. intermediate D. interceptive

[Homework Help] What is the numerical expression for: 1. Half the sum of 11 and negative 3 2. The absolute value of negative 62

[Homework Help] Explain how the types of mountain landforms are related to one another.

[Homework Help] A speedy river barge bound for New Orleans, Louisiana, leaves Baton Rouge at 9:00 a.m. and travels at a speed of 10 miles per hour. A rail transport freight, also bound for New Orleans, leaves Baton Rouge at 1:30 p.m. on the same day. The train travels at 25 miles per hour. Both the barge and the train will travel 100 miles to reach New Orleans. How far will the train travel before catching up to the barge?

[Homework Help] Explain how you can use the Associative Property to evaluate \((7 \times 50) \times 4\).

[Homework Help] Ms. Booth has 16 red buttons and 24 blue buttons. She is making finger puppets. Each puppet has the same number of blue buttons and red buttons. How many puppets can she make if she uses all of the buttons? A. 1, 2, 4, or 8 B. 1, 2, 4, 8, or 16 C. 1, 2, 4, 8, or 24 D. 1, 2, 4, 8, 16, or 24