Provide an appropriate response.What form do planes perpendicular to the y-axis have in spherical coordinates?
A. ? = a csc ? csc ?
B. ? = a sin ? sin ?
C. ? = a csc ?
D. ? = a csc ?
Answer: A
Mathematics
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Find an equation for the line with the given properties.Perpendicular to the line 3x - y = 4; containing the point (0, 
)
A. y = - 
x + 
B. y = 
x + 
C. y = - 
x + 4
D. y = 1
Mathematics
Solve the problem.How many different 7-letter codes are there if only the letters A, B, C, D, E, F, G, H, and I can be used and no letter can be used more than once?
A. 181,440 B. 7 C. 36 D. 4,782,969
Mathematics
Find the inverse of the matrix. 
A. 
B. 
C. 
D. No inverse
Mathematics
Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers.-
A. integers, real B. rational, real C. whole, real D. irrational, real
Mathematics