Solve the system.x - y + z = 1x + y + z = 3x + y - z = -3
A. {(3, -1, 1)}
B. {(-1, 1, 3)}
C. ?
D. {(-1, 3, 1)}
Answer: B
You might also like to view...
Translate to a proportion.What number is 8% of 82?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Solve the problem.Insulation must be put into the space between two concentric cylinders. Write a completely factored polynomial whose values give the volume between the inner and outer cylinder if the inner cylinder has radius 7 meters the outer cylinder has radius x meters, and both cylinders are 11 meters high.
A. 18 ?(x - 11)(x + 11) B. 11?(x - 7)(x + 7) C. 11?(x - 7)2 D. 18 ?(x - 11)2
Solve. If necessary, round to the nearest tenth.A flagpole casts a shadow of 34 feet. Nearby, a 7-foot tree casts a shadow of 5 feet. What is the height of the flagpole?
A. 24.3 ft B. 1,190 ft C. 1 ft D. 47.6 ft
Determine whether the pair of lines is parallel, perpendicular, or neither. 9x + 3y = 1221x + 7y = 29
A. Parallel B. Perpendicular C. Neither