Find the direction angles of the vector. Round to the nearest degree, if necessary.v = 3i + 2j - 6k
A. ? = 86°, ? = 88°, ? = 97°
B. ? = 62°, ? = 72°, ? = 203°
C. ? = 65°, ? = 73°, ? = 149°
D. ? = 68°, ? = 76°, ? = 139°
Answer: C
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A country has four states. Suppose the population of State 1 is P1, the population of State 2 is P2, the population of State 3 is P3, and the population of State 4 is P4. Suppose also that the total number of seats in the legislature is M and the standard divisor is D.If q1, q2, q3, and q4 are the respective standard quotas for the four states, then 
equals
A. the total population P1 + P2 + P3 + P4. B. the standard divisor D. C. 0. D. the number of seats in the legislature M. E. none of these
Write a fraction to represent the shaded region.
A. 
B. 
C. 
D. 
Evaluate the expression 
for each choice of a, b, and c.5x2 + 6 = x
A. 
+ 
i
B. 2
C. 
+ 
i
D. 1 - 
Convert as indicated.15.3 g to kilograms
A. 1530 kilograms B. 15,300 kilograms C. 0.0153 kilograms D. 0.00153 kilograms