The total area for a regular octahedron is 
. Find the length of each edge of the octahedron.
A. 4 cm
B. 8 cm
C. 12 cm
D. None of These
Answer: D
Mathematics
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Determine the value of the indicated function in the given manner.Find cos 60° by using the functions of 30°.
A. 
B. 2
C. 
D. 
Mathematics
Evaluate the definite integral.
A. 
B. 
C. - 
D. 
Mathematics
Provide an appropriate response.Solve the following inequality: 5 > 
x + 4 > 2 - x
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the domain and the range of the functions or relations from the graph.
A. domain: (-?, ?); range: (-?, -4] B. domain: [4, 5]; range: (-?, -4] C. domain: (-?, ?); range: [-4, ?) D. domain: (-?, 4) ? (5, ?); range: [-4, ?)
Mathematics