Find the indicated term of the arithmetic sequence.3.43, 3.53, 3.63, . . . ;11th term
A. 4.53
B. 4.43
C. 4.83
D. 4.63
Answer: B
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Find the reference angle for the given angle.129°
A. 51° B. 61° C. 49° D. 39°
Write the system of equations associated with the augmented matrix. Do not solve.
A. 6x - 2y + 8z = 8 -4x - 4y = 4 8x + 2z = -5 B. 6x - 2y + 8z = 8 -4x - 4y = 4 8x + 2y = -5 C. 6x - 2y + 8z = 8 -4x + -4z = 4 8x + 2y = -5 D. 6x - 2y + 8z = 8 -4x - 4y + 4z = 0 8x + 2y - 5z = 0
Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z.x + 3y + 2z=114y + 9z=-12x + 7y + 11z=- 1
A. 
B. 
C. 
D. 
Find the product. Assume all variables have non-negative values.(4 + 
)(4 - 
)
A. 21
B. 4 - 2
C. -1
D. 11