Write the series using summation notation.28 + 38 + 48 + 58 + 68 + 78
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B. 
C. 
D. 
Answer: D
Mathematics
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Evaluate.C(8, 4)
A. 35 B. 1680 C. 70 D. 140
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Subtract. 7.2
A. 6.000 B. 6.239 C. 5.239 D. 5.361
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Use graphing calculator to find the inverse of the matrix. Give 5 decimal places.A = 
A. 
B. 
C. 
D. 
Mathematics
Eliminate the parameter and write the corresponding rectangular equation whose graph represents the curve.
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B. 
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E. 
Mathematics