Solve. A lawyer stacks three case files on top of each other. The thicknesses of the files are 
, 
, and 
inches. What is the total height of the stack of files?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Answer: D
Mathematics
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Find the quadratic approximation of f at x = 0.f(x) = 
A. Q(x) = 4 + 
B. Q(x) = 4 - 
C. Q(x) = 4 + 
D. Q(x) = 4 - 
Mathematics
Multiply and simplify.
A. 
B. 
C. 
D. 
Mathematics
Write an equation for the hyperbola.center at (6, -8); focus at ( 6 - 
, -8); e = 
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Determine the real solutions to the system of nonlinear equations.x2 + y2 - 4x + 4y + 7 = 0 x2 - y2 - 4x - 4y - 1 = 0
A. (3, -2), (1, -2) B. (3, -2), (-1, -2) C. (2, 1), (2, 3) D. (2, -1), (2, -3)
Mathematics