Find the value of the determinant.
A. 1
B. -20
C. 44
D. 0
Answer: D
Mathematics
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Express the vector as a product of its length and direction.
i + 
j - 
k
A. 
B. 1
C. 
D. 
Mathematics
Graph the polynomial function. f(x) = x4 - 4x2
A. 
B. 
C. 
D. 
Mathematics
Solve.In Conway, New Hampshire, the temperature dropped 22°F during the night. If the temperature read 6°F before the drop, what did it read after the drop?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the problem.Arnold's regular hourly rate is $10.92 per hour for a 40-hour work week. He is paid time-and- a-half for all overtime work. One week Arnold worked 45.5 hours. What would be his overtime pay?
A. $526.89 B. $90.09 C. $496.86 D. $68.31
Mathematics