Find the inverse of the matrix. 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Calculate the area of the surface S.S is the cap cut from the paraboloid z = 
- 7x2 - 7y2 by the cone z = 
.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem by integration.Find the volume generated by revolving the first-quadrant area bounded by 
and x = 3 about the y-axis.
A. 
? ln 900
B. 5? ln 900
C. 10? ln 4
D. 5? ln 4
Mathematics
Determine the number that will complete the square to solve the given equation after the constant term has been written on the right side. Do not actually solve.4x2 + x + 5 = 0
A. 64
B. 
C. 
D. 
Mathematics
Find the exact value of the expression in degrees without using a calculator or table.sin-1 
A. 60° B. 135° C. 120° D. 45°
Mathematics