Solve the problem.In how many ways can a committee of 4 people be selected from 6 married couples if no committee is to include a husband-and-wife pair?
A. 206
B. 210
C. 5760
D. 240
Answer: D
Mathematics
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Solve the problem. Assume all numbers are approximate unless otherwise stated or the number has been determined by a definition or counting process.The capacitance of a certain element in an electric circuit (in ?F) was determined by calculating the value of 
Calculate this capacitance.
A. 8.0 ?F B. 7.5 ?F C. 7.7 ?F D. 7.3 ?F
Mathematics
Evaluate the determinant.
A. -134 B. 1396 C. -346 D. 134
Mathematics
Write the slope-intercept form of the equation for the line passing through the given pair of points.(9, 5) and (0, -3)
A. y = - 
x - 3
B. y = 
x - 3
C. y = 
x - 3
D. y = - 
x - 3
Mathematics
Evaluate the determinant.
A. 129 B. -1 C. -3 D. -5
Mathematics