Find the square root if it is a real number, or state that the expression is not a real number.
A. 144
B. 2
- 2
C. not a real number
D. 12
Answer: D
Mathematics
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A. ?A histogram has categorical data, while bar graphs do not. B. ?A histogram has numerical data grouped in equal size intervals, while bar graphs have categorical data. C. ?A histogram shows frequency, while bar graphs do not. D. ?A histogram uses frequency tables, while bar graphs do not. E. ?None of the above.
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Find the product.(5a + 7c)(5a - 7c)
A. 25a2 + 70ac - 49c2 B. 25a2 - 49c2 C. 25a2 - 70ac - 49c2 D. 5a2 - 7c2
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Subtract.97
A. 149 B. 55 C. 41 D. 45
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Graph the level curves in the first octant at heights of 
and 
for the given equation.z = 2y - x2
A. 
B. 
C. 
D. 
Mathematics