Perform the indicated operation and express the answer in simplest form.
(7
- 
)
A. 6 
B. 7 
- 2 
C. 7 
- 2
D. 7 
- 2
Answer: D
Mathematics
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Find the indicated root, or state that the expression is not a real number.
A. -10 B. 10 C. 100 D. 40
Mathematics
Integrate the function.
A. 
sec-1 
x + C
B. 
sin-1 
x + C
C. 
sec-1 
x + C
D. 
sin-1 
x + C
Mathematics
State the phrase as a mathematical expression. Use x to represent the variable.Two times a number
A. 2 + x
B. 
C. 2x
D. 2 - x
Mathematics
Specify the center and radius of the circle.(x - 2)2 + (y + 6)2 = 4
A. center: (6, -2); radius: 4 B. center: (-6, 2); radius: 2 C. center: (2, -6); radius: 2 D. center: (-2, 6); radius: 4
Mathematics