Find the triple scalar product (u x v) ? w of the given vectors.u = -5i - 3j + 4j; v = 5i - 2j + 6k; w = 7i - 9j - 8k
A. 9
B. -228
C. -580
D. -592
Answer: C
Mathematics
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Use a calculator to evaluate the expression, or state that the value does not exist. Round the answer to four decimal places when necessary.csch x 
A. -0.8502 B. -1.8824 C. 0.037 D. -1.1962
Mathematics
Factor. Check by multiplying.9 + 3w + 27y
A. 9(1 + 3w + 27y) B. 3(3 + w + 9y) C. 3(3 + 3w + 27y) D. 3(3 + w + 27y)
Mathematics
Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.5
+ 1
A. 6
B. 7
C. 7
D. 6
Mathematics
Perform the indicated operation.Let A = 
. Find 2A.
A. 
B. 
C. 
D. 
Mathematics