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Questions in Grade Middle-school

[Homework Help] Which of the following must crystalline solids have? A. Carbonates B. Cubic structures C. Orderly arrangement of atoms D. Cleavage

[Homework Help] What percent of 60 is 18?

[Homework Help] Round the 0 in this number: 32.073

[Homework Help] Write an expression to match the words: Nicky has 4 boxes of markers. Each box contains 8 markers.

[Homework Help] How did people celebrate Halloween in the past?

[Homework Help] Simplify the following expression: \((9x - 3 \frac{1}{8}) - (7x + 1 \frac{3}{8})\)

[Homework Help] What is \(169 = s^2\)?

[Homework Help] What does the color black signify in Halloween?

[Homework Help] Complete the following sentences: 1. An explosion that occurs at the end of a massive star's life is a _________. 2. A ___________ is a large cloud of gas and dust in space. 3. A low- or medium-mass star becomes a ____________ at the end of its life. 4. A ___________ appears to emit regular bursts of radio waves. 5. A ___________ forms from the leftover material from a supernova; it may contain as much as three times the mass of the sun.

[Homework Help] What is V if \( V \div -3 = 12 \)?