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Questions in Grade Middle-school

[Open]The width of David's tent is 5 feet. The length is twice the width. David's rectangular air mattress measures 3 feet by 6 feet. If David puts the air mattress in the tent, how many square feet of floor space will be available for the rest of his things?

[Open]A single tree produces about [tex]2.6 \times 10^2[/tex] lb of oxygen each year. The Amazon rainforest has about [tex]3.9 \times 10^{11}[/tex] trees. About how many pounds of oxygen are produced in the rainforest each day? [tex]2.8 \times 10^?[/tex] lb

[Open]Solve the equation: \[\frac{1}{3}(n+1) = \frac{1}{6}(3n-5)\] Provide a step-by-step solution.

[Open]What shape has four sides of different lengths?

[Open]List 5 ways to divide a rectangle into two congruent figures using one line.

[Open]List 3 physical properties you could use to organize a set of cookware.

[Open]A pair of jeans that originally costs $42 is 25% off. Find the sale price.

[Open]Point A is 10 units to the right of the origin and 9 units down. What are the coordinates of point A?

[Open] Which points have an x value less than zero? A. X, C B. P, L C. C, D, J D. D, J, E

[Open]Does the mimic octopus migrate?