Find the indicated term of the arithmetic sequence.
, 1, 
, . . . ; a16
A. 
B. 
C. 
D. 7
Answer: D
Mathematics
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Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists.4x - y + 3z=12x + 4y + 6z=-325x + 3y + 9z=20
A. ? B. {(-8, -7, 9)} C. {(2, -7, -1)} D. {(8, -7, -2)}
Mathematics
Express the radical in simplified form.- 
A. -4
B. 4
C. 2
D. -2
Mathematics
Solve the equation. Express irrational answers in exact form and as a decimal rounded to 3 decimal places.
x = 61 - x
A. 
? 0.938
B. ln 
- ln 6 ? -1.674
C. 
? 1.030
D. 
? 1.066
Mathematics
Solve the problem. Round your answer to two decimal places if necessary.87% of 131 is what?
A. 113.97 B. 11.4 C. 11,397 D. 1,139.7
Mathematics