Solve the equation.
= 7
A. {7}
B. 
C. {49}
D. ?
Answer: A
Mathematics
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Use a calculator to find the value of y in degrees rounded to two decimal places.y = sin-1 (-0.2171)
A. 12.54° B. 12.25° C. 102.54° D. -12.54°
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Find the book value using the MACRS method of depreciation and the MACRS depreciation rates table. Round to the nearest dollar.MACRS Depreciation Rates 
Cost: $190,000Recovery Period: 5-yearAfter: Third year
A. $106,913 B. $36,480 C. $153,520 D. $54,720
Mathematics
Find all real numbers in the interval [0, 2?) that satisfy the equation. sec 
= cos 
A. 
B. 
C. 
D. 
Mathematics
Find the asymptotes of the hyperbola.
- 
= 1
A. y + 1 = 
(x - 5), y + 1 = - 
(x - 5)
B. y - 5 = 
(x + 1), y - 5 = - 
(x + 1)
C. y + 1 = 
(x - 5), y + 1 = - 
(x - 5)
D. y - 5 = 
(x + 1), y - 5 = - 
(x + 1)
Mathematics