Evaluate the permutation.P(4, 4)
A. 0
B. 1
C. 24
D. 3
Answer: C
Mathematics
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Convert using dimensional analysis.
feet to inches
A. 22.5 in. B. 91.5 in. C. 90 in. D. 84 in.
Mathematics
Decide whether the given matrix could be a probability vector. 
A. Yes B. No
Mathematics
Find the exact value of the trigonometric expression without the use of a calculator.If tan ? = 
, ? < ? < 
and cos ? = - 
, 
< ? < ?, find the exact value of sin (? + ?).
A. 
B. 
C. 
D. 
Mathematics
Decide whether the ordered pair is a solution of the given system.
A. Yes B. No
Mathematics