Use a right triangle to write the expression as an algebraic expression. Assume that x is positive and in the domain of the given inverse trigonometric function.sin(sec-1 
)
A. 
B. 
C. 
D. x
Answer: A
Mathematics
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Rationalize the denominator and simplify.
A. 
B. 
C. 
D. 3
Mathematics
Find the equation of a circle satisfying the given conditions.Center: (0, 4); radius: 7
A. x2 + (y - 4)2 = 49 B. (x + 4)2 + y2 = 49 C. (x - 4)2 + y2 = 49 D. x2 + (y + 4)2 = 7
Mathematics
Find the area of the figure.Each square is 8 ft by 8 ft.
A. 512 ft2 B. 320 ft2 C. 768 ft2 D. 384 ft2
Mathematics
Perform the division.
A. 3x2 + 2x - 1 + 
B. 3x2 + 2x - 1
C. 3x2 + 2x - 1 + 
D. x2 - 1 + 
Mathematics