Give the exact value of the expression.arccos
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use Gaussian elimination to solve the linear system by finding an equivalent system in triangular form.
A. (0, 3, 0) B. no solution C. (0, 3, -3) D. (0, 0, 3)
Mathematics
Add in the indicated base.
A. 1105 B. 1315 C. 1225 D. 2315
Mathematics
Write the Hindu-Arabic numeral in expanded form.971
A. (9 × 101) + (7 × 1) + (1) B. (9 × 102) + (7 × 101) C. (9 × 102) + (1 × 1) D. (9 × 102) + (7 × 101) + (1 × 1)
Mathematics
The polynomial is given in one of the three forms: standard, root, or factored. Change it to the specified form. f(x) = 7(x + 4)
; write in factored form
A. f(x) = (x + 4)(7x - 8)
B. f(x) = (x + 4)(8x - 7)
C. f(x) = 
(x + 4)(7x - 8)
D. f(x) = 7(x + 4)(7x - 8)
Mathematics