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Questions in Grade Middle-school

[Free] Where and when did Martin Luther King Jr. die?

[Free] Due to a membership drive for a public television station, the current membership is 125% of what it was a year ago. The current membership is 1200. How many members did the station have last year?

[Free] Write a sentence using the word "preliminary." (Note: Please ensure the sentence is simple enough to be illustrated.)

[Free] Calculate the expression: \(|-6| + |3|\). Do I simply find the sum, or is it something different? Please explain.

[Free] Write \(-90.85\) as a mixed number in simplest form.

[Free] Expand the expression [tex]2(r - 4) + 5(r + 2)[/tex]. Express your answer in simplest form.

[Free] What is the meaning of the root word "caust"?

[Free] What energy transformation takes place when you lift a chair?

[Free] What is the value of the 8 in the number 48?

[Free] List three things scientists learned about Earth in the early 1800s.