Find the surface area of the surface S.S is the portion of the paraboloid z = 81 - x2 - y2 that lies above the ring 1 ? x2 + y2 ? 25 in the 
A. 
[101
- 5
]
B. 
[101
- 5
]
C. 
[101
- 5
]
D. 
[101
- 5
]
Answer: B
Mathematics
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Solve the problem.In an electric circuit, the electromotive force is defined as 
where t is time in seconds. Solve the equation for t.
A. t = 2? cos V
B. t = 
arccos V
C. t = 2? arccos V
D. t = 
cos V
Mathematics
Write an equation of the line through the given point with the given slope. Write the equation in slope-intercept form.(4, 3); slope: - 
A. y = - 
x + 
B. y = - 
x - 
C. y = - 
x + 
D. y = - 
x + 
Mathematics
Graph the equation using the indicated viewing window.y = x + 4;X min = -5X max = 5X scl = 1Y min = -4Y max = 4Y scl = 1
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
= 2
A. 
B. 
C. 
D. 
Mathematics