Construct a truth table for the statement.(p ? ~r) ? (p ? ~r)
A. 
| T | T | T |
F T F
F F F
B.
| T | T | F |
F F F
F T T
C.
| T | T | T |
F T F
F F T
D.
| T | T | F |
F T T
F F T
Answer: A
Mathematics
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Rwhere R is the interior of the ellipsoid 
A. 224?
B. 168?
C. 
?
D. 112?
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Use Heron's formula to determine the area of the triangle. If necessary, round the answer to two decimal places. 
A. 44.74 B. 195.03 C. 14.98 D. 4.86
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Solve.
(x + 6) = 
(x + 8)
A. x = -12 B. x = 3 C. x = -1 D. x = 1
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Simplify.
A. 
B. 
C. 
D. 
Mathematics