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Questions in Grade Middle-school

[Free] In what ways is climate controlled by the sun and the water cycle?

[Free] Write and solve an inequality to find how many messages Nadine can send and receive so that the unlimited plan is cheaper than paying for each message. Nadine can send or receive a text message for 15 cents each, or she can get an unlimited number of messages for 5 dollars. Let \( x \) represent the number of messages. Set up the inequality: \[ 0.15x > 5 \] Solve for \( x \).

[Free] At a store, 24 bottles of water and 6 bags of chips cost $23.40. Five bottles of water and two bags of chips cost $6.60. What is the cost of a single bottle of water?

[Free] Use the order of operations and the digits 2, 4, 6, and 8 to create an expression with a value of 2.

[Free] How does the carbon cycle work in the desert?

[Free] What is 60 divided by 100, and why? (I got 0.6, but I'm not sure.)

[Free] y varies directly as x. If [tex]x = 5[/tex] when [tex]y = 12[/tex], find [tex]x[/tex] when [tex]y = 30[/tex].

[Free] The distance of a wave crest from its resting position is its: A. Wavelength B. Amplitude C. Height

[Free] How did the alliances that formed in Europe after World War II create an "iron curtain" as described by Winston Churchill in a 1946 speech?

[Free] List the perfect squares between 100 and 500 that are even numbers.