Find the determinant of the given matrix.
A. 9
B. -9
C. 2
D. 39
Answer: A
Mathematics
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A patient's forearm is x-rayed for a time of 0.4s at a distance of 20in (FFD). If a new x-ray is ordered with a time exposure of 0.3s, what should the new FFD be if the current level is unchanged?
A. 17in B. 300in C. 32in D. 27in
Mathematics
Divide using the quotient rule.
A. 5 ? 711 B. 59 ? 711 C. 59 ? 710 D. 510 ? 711
Mathematics
Write the first four terms of the sequence.
A. - 
, 
, - 
, - 
B. - 
, - 
, - 
, - 
C. 
, - 
, 
, - 
D. - 
, 
, - 
, 
Mathematics
Divide. Simplify, if necessary.
÷ 
A. 
B. 
C. 
D. 
Mathematics