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Questions in Grade Middle-school

[Done] Solve for \( k \) in the equation: \[ k + \frac{3}{4} = \frac{5}{3} - \frac{1}{3} \]

[Done] What were Andrew Jackson's accomplishments as president?

[Done] Write an algebraic expression for 15 decreased by twice a number.

[Done] How can sudden events affect the Earth?

[Done] Write an algebraic expression for the product of 33 and \( j \).

[Done] How do you find the circumference and area of a circle? Please provide examples or a link to a website.

[Done] Jenn will use 18 connecting cubes to make a model of a park. The model will be in the shape of a rectangle and will have the height of one cube. In how many ways can Jenn make the model of the park?

[Done] What could be some possible results of stricter slave codes in the South?

[Done] What motivated the United States to enter into a war with Spain?

[Done] What is the answer to \( n \times 6 = 72 \)?