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Questions in Grade Middle-school

[Homework Help] What number times itself equals 30?

[Homework Help] During a football game, Kevin gained five yards on the first play. Then he lost seven yards on the second play. How many yards does Kevin need on the next play to get the team back to where they started?

[Homework Help] All life can be classified into three domains: __________, __________, and __________.

[Homework Help] There were 28 white ducks swimming in a pond. - Twice as many brown ducks flew in and landed in the pond. - Then half of the white ducks flew away. How many ducks remained in the pond?

[Homework Help] A meter is one thousandth of a kilometer. Write an equation to show the relationship between 962 meters and 0.962 kilometers.

[Homework Help] Butter melts when you heat it in a pan on the stove. Is this a chemical change or a physical change? How can you tell?

[Homework Help] Express 9680 in scientific notation.

[Homework Help] Divide. Be sure your answer is in simplest form. 1. 12 divided by [tex]\frac{4}{5}[/tex] = __ 2. [tex]\frac{3}{4}[/tex] divided by [tex]\frac{7}{8}[/tex] = __ 3. 8 divided by [tex]\frac{6}{7}[/tex] = __ 4. [tex]\frac{8}{11}[/tex] divided by [tex]\frac{4}{7}[/tex] = __ 5. 4 divided by [tex]\frac{5}{7}[/tex] = __ 6. [tex]\frac{3}{4}[/tex] divided by [tex]\frac{1}{12}[/tex] = __

[Homework Help] Round the decimal to the nearest hundredth, then write it as a percentage. Problem: 0.4612 = ___ (rounded) = ___ (percentage)

[Homework Help] (a) What is the GCF of 33 and 42 using prime factors? (b) What is the GCF of 72 and 30 by dividing by prime factors? (c) What is the GCF of 27, 76, and 34 by making a list of factors?