Compute the determinant of the matrix by cofactor expansion.
A. 55
B. -197
C. -55
D. 891
Answer: A
Mathematics
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Fill in the blank with the correct inequality symbol.If x < 2, then x - 2 
0.
A. ? B. < C. > D. ?
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Use the Factor Theorem to determine whether x - c is a factor of f(x).f(x) = x3 + 3x2 - 8x + 10; x - 5
A. Yes B. No
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Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500
Mathematics