Find the requested vector.v = 4i - 4j + kFind a vector orthogonal to both v and i + k.
A. i - j + 3k
B. -4i - 3j + 4k
C. 4i + 2j - 4k
D. -5i - 8j + 5k
Answer: B
Mathematics
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Express the number in exponential form.
A. 6.79e0.801j B. 45.9e6.79j C. 6.79e45.9j D. 0.801e6.79j
Mathematics
Solve.Harry cuts a board 
feet long from one 15 feet long. How long is the remaining piece?
A. 5
feet
B. 6
feet
C. 5 feet
D. 5
feet
Mathematics
Solve the equation by completing the square.x2 + 16x = -43
A. {8 - 
, 8 + 
}
B. {8 + 
}
C. {-8 - 
, -8 + 
}
D. {-16 + 
}
Mathematics
Divide. Write the answer as a mixed number as needed.
÷ 
A. 
B. 
C. 
D. 
Mathematics