Determine whether the system is consistent.x1 + x2 + x3 = 6x1 - x3 = -2 x2 + 3x3 = 11
A. Yes
B. No
Answer: A
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Solve the problem. Round to the nearest whole unit.The angle of elevation of the top of a pole as seen from a point 
away from the base is double its angle of elevation as seen from a point 49 ft farther from the pole. Find the height of the pole above the level of the observer's eyes.
A. 69 ft B. 70 ft C. 45 ft D. 29 ft
Solve.One end guy wire is attached to the top of a 16-foot pole and the other end is anchored into the ground 9 feet from the base of the pole. Find the length of the guy wire. Round to the nearest tenth foot.
9 feet
A. 25 feet B. 18 feet C. 25.4 feet D. 18.4 feet
Find the slope-intercept form of the line satisfying the given conditions.Parallel to -7x + 9y = 68; passing through (-2, 0)
A. y = 
x + 
B. y = - 
x - 
C. y = 
x + 0
D. y = 
x + 
Solve.A case of candy bars has 2 layers of candy bars. In each layer are 4 rows with 14 candy bars in each row. Find how many candy bars are in a case.
A. 112 candy bars B. 111 candy bars C. 122 candy bars D. 102 candy bars