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Questions in Grade Middle-school

[Homework Help] This gas makes up close to one-fourth of the air surrounding Earth.

[Homework Help] There were 149 angelfish and goldfish in an aquarium. There were twice as many guppies as angelfish. After selling 35 goldfish, there are half as many goldfish as angelfish. How many fish are left in the aquarium?

[Homework Help] Enzymes have many uses in home and industry. What type of organisms are used to produce these enzymes? Choose the correct answer from the following options: - Mammals - Microorganisms - Plants

[Homework Help] There are two ways of adding two square numbers to make 65. Write a different square number in each box. [ ] + [ ]

[Homework Help] Which words in this sentence are common nouns? "Aztec crops, such as corn and beans, were unknown in Europe." Choose all answers that are correct. A. Aztec B. crops C. Europe D. such E. beans

[Homework Help] Which words in this sentence are common nouns? "Until the Spaniards brought cattle and sheep from Europe, the Aztecs had no dairy products." Choose all answers that are correct. A. Europe B. sheep C. Spaniards D. dairy E. products

[Homework Help] Estimate \(\frac{46}{6,725}\), then find the quotient.

[Homework Help] What number is halfway between 3000 and 4000?

[Homework Help] Which words in this sentence are common nouns? "The American people listened to President Roosevelt's speech." Choose all answers that are correct. A. speech B. President Roosevelt's C. American D. people E. listened

[Homework Help] What is 15.70796327 rounded to 1 decimal point?