Solve the problem.A hall 130 feet in length was designed as a whispering gallery. If the ceiling is 25 feet high at the center, how far from the center are the foci located?
Fill in the blank(s) with the appropriate word(s).
60 ft
Mathematics
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Evaluate the integral.  Figure 3.png)
What will be an ideal response?
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If x =  FIGURE 1.png)
, find f (–4), f (0), and f (1).
What will be an ideal response?
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Determine whether the matrices are inverses. 
, 
A. Yes B. No
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Let 
. Compute the following.
?
, 
?
A. 
B. 
C. 
D. 
Mathematics