Solve the problem.Find the moment of inertia Iz of a tetrahedron of constant density 
bounded by the coordinate planes and the plane 
.
A. 
B. 215
C. 
D. 
Answer: C
Mathematics
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Provide an appropriate response.Write as a complex number: 3 + 
A. 3 - 2i
B. 3 + 4i
C. 3 + 2i
D. 3 + 2
Mathematics
Solve the following quadratic equation using the quadratic formula. Find the exact answer. If there are no real solutions, so state.6n2 = -6n - 1
A. n = 
B. n = 
C. n = 
D. n = 
Mathematics
Solve.The difference between a country's exports and imports is called the country's trade balance. In 1981, a country had $215 billion in exports and $180 billion in imports. What was the country's trade balance in 1981?
A. 395 billion dollars B. -35 billion dollars C. -395 billion dollars D. 35 billion dollars
Mathematics
Subtract the fractions. Write the answer in lowest terms.
A. 
B. 
C. 
D. 
Mathematics