Perform the indicated operation and simplify.
- 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Find the volume of the region bounded by the coordinate planes and the planes 
, 
.
A. 
B. 
C. 
D. 9
Mathematics
Construct a truth table for the statement.~p ? (~p ? q)
A. 
| T | T | F | F | T |
F T T T T
F F T F F
B.
| T | T | F | F | F |
F T T T F
F F T F T
C.
| T | T | F | T | T |
F T T T T
F F T T T
D.
| T | T | F | T | T |
F T T T T
F F T T T
Mathematics
The scores on a 30-point multiple-choice exam are given in the following frequency table:
The median score on the exam is
A. 25. B. 26.5. C. 26. D. 25.5. E. none of these
Mathematics
Write the phrase as a variable expression. Use x to represent "a number." 63 decreased by a number
A. 63 + x
B. 
C. x - 63
D. 63 - x
Mathematics