Solve the system using Gaussian elimination.
a. ( 5, 7, 6 )
b. ( -5, -7, -6 )
c. ( 5, 7, -6 )
d. ( 5, -7, -6 )
e. ( -5, 7, -6 )
b. ( -5, -7, -6 )
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Solve the application and answer with a complete sentence.Marty jogged 
of a mile from home and then rested. Then he continued jogging another 
of a mile until he discovered his watch had fallen off. He walked back along the same path for 
of a mile until he found his watch. How far was he from his starting point?
A. He was 
mile from his starting point.
B. He was 
mile from his starting point.
C. He was 
mile from his starting point.
D. He was 
mile from his starting point.
Express the number in terms of j.
A. -50j
B. j
C. 50j
D. ±50
Expand the number to its natural form.7.06 × 102
A. 76 B. 760 C. 70,600 D. 706
Find the values of x for which the geometric series converges.
A. |x| < 6
B. |x| < 3
C. |x| < 1
D. |x| < 