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Questions in Grade Middle-school

[Done] What percent is equal to [tex]\frac{3}{10}[/tex]?

[Done] What are the sections of ternary form?

[Done] Water that travels across land may pick up substances and become what?

[Done] In which of the following ways did the railroads impact the lives of European immigrants during the 1800s in America?

[Done] What is 75 degrees Fahrenheit in the Celsius and Kelvin scales?

[Done] A certain bean plant grows 15% of its height each day. a. Express this percent as a decimal. b. Today, after 10 days, the plant is 27 inches tall. How tall was it yesterday?

[Done] Simplify the following expression: \[ 5^3 \times 25 \]

[Done] What is friction? Explain.

[Done] Why did Shi Huangdi divide the country into military districts?

[Done] A number has 6 hundreds, 7 tens, and 34 ones. What is the number?