ScienceMathMusic

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3. Grading System Recommendations

Give them a percentage grade and do not let them go on until they have achieved 95% mastery of every subject.

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3. Algebra word problem

First, make D= -2.      It evaluates to:     -6=E-3    add three to both sides and you get:-3=E So, the first statement is not true. The second statement is obviously untrue because when you make D...