Middle School Questions

Ross needs to buy a countertop for a laundry room. He calculated the area to be 12 square feet. The actual area is 11.8 square feet. What is Ross's percentage error?
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Help please Solving Systems Using InspectionHow many solutions does this system of equations have?A.noneB.exactly oneC.exactly twoD.infinitely many
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The radio transmitter and aerial radio antenna was an innovation ofA.Guglielmo MarconiB.Thomas EdisonC.Alexander Graham BellD.Jean LenoirE.Gustav Eiffel
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Which answer is the sentence fragment? A.My sister found some fun jewelry at a 50 percent discount.B.Was there a long line at the food court around noon?C.The bookstore which is in the middle of the shopping mall.D.My family goes to the shopping mall when there are sales events.
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The telephone was an innovation of A.Guglielmo MarconiB.Thomas EdisonC.Alexander Graham BellD.Jean LenoirE.Gustav Eiffel
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Three times a number is 42. What is the number?
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In which order were these documents written and adopted?1. U.S. Constitution2. Bill of Rights3. Declaration of Independence4. Articles of ConfederationA.1,2,4,3B.2,4,3,1C.3,1,2,4D.3,4,1,2
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Explain why it is necessary to rename 4 1/4 if you subtract 3/4 from it? Help please.
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How did cyrus the great hold his growing empire together
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What fraction of two pounds is fifty pence?
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In whole milk, 13 parts out of 400 are milk fat. In 2% milk, 1 part out of 50 is milk fat. Which type of milk has more milk fat per cup?
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when you open a solid room air freshener, the solid slowly loses mass and volume. how do you think this happens?
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How would you replace 27/50 with the nearest half or whole number without using a number line?
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How many miles does the Mediterranean sea stretch from east to west
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Tell whether each number is a solution to the problem modeled by the following equations mystery number: five more than -8 times a number is 29. what is the number?
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do the relative proportions of elements in a given compound vary from sample to sample? please explain.
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Which aspects of ancient Egyptian civilization were based on its geography ? which were not ?
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I need help on this.How was the balance of power between the U.S. Government and American Indian nations unequal.And this one.Give three details about the 1805 treaty
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