Solve the system of equations. If the system is dependent, express solutions in terms of the parameter z.x - y + z = -1x + y + z = 5x + y - z = -3
A. (4, -2, 3)
B. (-2, 3, 4)
C. No solution
D. (-2, 4, 3)
Answer: B
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Add or subtract. Express the answer as a mixed number.
A. 7
B. 6
C. 8
D. 7
Solve the problem.A basketball player shoots the ball with a velocity of 15.4 ft/s at an angle of 37.9° with the horizontal. To the nearest tenth, find the magnitude of the horizontal component of the resultant vector.
A. 9.5 ft/s B. 12.2 ft/s C. 6.1 ft/s D. 4.8 ft/s
Solve the problem.A mechanic uses on average 
gallon(s) of gear lube to service each tractor differential. Find the number of tractors that can be serviced with 16 gallons of gear lube.
A. 12
tractors
B. 4 tractors
C. 64 tractors
D. 20 tractors
What color code on the first three bands is needed for the resistance?
A. First band Second band Third band
gold yellow violet
B. First band Second band Third band
violet violet gold
C. First band Second band Third band
yellow yellow silver
D. First band Second band Third band
yellow violet gold
E. First band Second band Third band
violet yellow silver