Find the absolute value of the complex number.z = 9 - 5i
A. 
B. 14
C. 106
D. 
Answer: A
Mathematics
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Find the phase shift or vertical shift as requested.Find the phase shift of y = cos 
A. 
B. -
C. -?
D. ?
Mathematics
Write the improper fraction as a mixed number.
A. 13
B. 
C. 148
D. 148
Mathematics
Write the expression as a single logarithm with coefficient 1. Assume all variables represent positive real numbers with 
and 
.log6 13 - log6 x
A. log6 
B. log6 
C. log6 (13 - x)
D. log12
Mathematics
Find the exact value of the expression.cos-1 (1)
A. 0
B. 
C. -?
D. ?
Mathematics