Solve the system.x + y = 3x- z = -2 y + 3z = 11
A. {(1, 2, 3)}
B. {(-1, 2, -3)}
C. ?
D. {(0, 1, 2)}
Answer: A
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Decompose into partial fractions.
A. 
- 
- 
B. 
+ 
+ 
C. 
+ 
- 
D. 
+ 
- 
Convert the fraction to a decimal.
A. 1.65 B. 1.7 C. 1.6 D. 1.8
A plane is flying with an airspeed of 160 miles per hour and heading of 140°. The wind currents are running at 41 miles per hour at 155° clockwise from due north. Use vectors to find the true course and ground speed of the plane. ? Apply the rules regarding the use of significant digits after all computations are complete. ?
A. 196 mph with heading 147° B. 200 mph with heading 145° C. 190 mph with heading 143° D. 190 mph with heading 145° E. 200 mph with heading 143°
Draw a complete graph so that it has the given type of symmetry.Symmetric with respect to the x-axis
A. 
B. 
C. 
D. 