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Questions in Grade Middle-school

[Homework Help] Biruk wants to buy a book for $15.25 and a book for $4.85. He wants to pay with one $20 bill. Use estimation to decide if this is reasonable. Explain to which place value you should round for an estimate that is useful in this situation.

[Homework Help] Ivan has 6 times as many blue beads as red beads. He has 49 red and blue beads in all. How many blue beads does Ivan have?

[Homework Help] What is needed in order to cause an object at rest to move, or an object in motion to change direction or speed?

[Homework Help] Write a doubles fact you can use to find the sum of \(6 + 7\).

[Homework Help] Hunter won 89 percent of his wrestling matches this year and came in third at the state tournament. If he competed in 46 matches over the course of the season (including the state tournament), how many did he lose?

[Homework Help] What is the answer to this? Show your work. \[ \frac{18}{9} + 3^2 \]

[Homework Help] Turn \(\frac{8}{200}\) into a decimal using an equivalent fraction. Show your steps.

[Homework Help] A drop on a wooden roller coaster is -98 1/2 feet. A drop on a steel roller coaster is 100 1/4 feet lower than the drop on the wooden roller coaster. What is the drop on the steel roller coaster?

[Homework Help] If atoms of a halogen nonmetal gain one electron, the atoms then have how many valence electrons?

[Homework Help] Write 841.50 in expanded form.