Simplify the expression.
- 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Provide an appropriate response.Find the square root of the positive variable: 
A. x B. x6 C. x3 D. x12
Mathematics
Find the exact value of the expression.cos 
sin 
- cos 
sin 
A. 
B. 
C. 
D. 1
Mathematics
Use a graphing calculator to solve the system by finding A-1 and A-1B. (Round to the nearest integer if necessary.)0.15x + 1.20y-z = 3.25x - 1.02y + 2.67z = 14.231.45x +y+z = 21.15
A. {(6, 5, 6)} B. {(7, 6, 5)} C. {(7, -6, -5)} D. {(8, 4, 5)}
Mathematics
Write a quadratic equation having the given solutions.3i, -3i
A. x2 - 9 = 0
B. x2 + 9 = 0
C. 
2 = 0
D. x2 - 6ix + 9 = 0
Mathematics