Use matrices to find the system of equations (if possible). Use Gaussian elimination with
back-substitution or Gauss-Jordan elimination.
?
?
A. ?(3, 4)
B. (-3, 4)
C. (5, 18)
D. (-3, -4)
E. (3, -4)
Answer: D
Mathematics
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Find the sum of the series.
A. 
B. 3
C. 
D. 
Mathematics
Convert as indicated.213,000,000 mg = t
A. 21,300 B. 213 C. 21.3 D. 0.213
Mathematics
Solve. Give your answer as a mixed numeral.Find the perimeter (distance around) of the regular polygon below. 
"3
meters"
A. 28
m
B. 23 m
C. 25
m
D. 21
m
Mathematics
Solve the polynomial equation.(3x + 1)(x - 2)2(x + 6) = 0
A. - 
, -2, 2, -6
B. 
, -2, 6
C. -1, 4, -6
D. - 
, 2, -6
Mathematics