Find the value of the determinant.
A. 60
B. 0
C. -12
D. 1
Answer: B
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Write the following fraction in decimal form.
?
?
A. 0.4 B. 0.04 C. 0.2 D. 10 E. none of these
Solve the problem.Bess Leigh Walker used her credit card in January to purchase the following college supplies: textbooks 
lab glasses and apron ($25), mathematics software ($78), and basketball season ticket ($102). On February 1, Bess Leigh makes a payment of $395 and makes no other charges on this credit card. The bank that issues the card charges 
interest per month. What is the balance due on March 1?
A. $342.35 B. $401.52 C. $823.98 D. $422.66
Find the volume of the indicated region.The solid cut from the first octant by the surface 
A. 
B. 
C. 
D. 
Find the least common multiple (LCM) of the pair of numbers.12 and 4
A. 12 B. 192 C. 48 D. 4