Solve the problem.How many 6-letter codes can be formed using the letters A, B, C, D, E, F, G, H, and I. Repeated letters are allowed.
A. 10,077,696
B. 84
C. 60,480
D. 531,441
Answer: D
Mathematics
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Evaluate the surface integral of the function g over the surface S.G(x, y, z) = 
; S is the surface of the parabolic cylinder 56y2 + 8z = 24 bounded by the planes 
x = 1, y = 0, and z = 0
A. 
B. 
C. 
D. 
Mathematics
Find the sum of the infinite geometric series, if it exists.
A. 
B. 
C. 
D. Does not exist
Mathematics
Find the phase shift of the function.y = cos 
A. - 
B. 
C. 2?
D. 1
Mathematics
Evaluate the exponential expression.-103
A. -1000 B. 30 C. -30 D. 1000
Mathematics