Add and simplify.
+ 
A. 
B. 
C. 
D. 
Answer: C
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Solve.Find the eccentricity of an ellipse whose vertices are (-23, 0) and (23, 0) and whose foci are (-14, 0) and 
Fill in the blank(s) with the appropriate word(s).
A balloon is initially full of air, but then it springs a leak. Air leaks at a constant rate from the balloon. After a while the leak is patched and a pump is attached to the balloon. It is re-inflated to its original volume: Air is pumped at a constant rate that is larger than the rate of the leak. Let B denote the volume, in cubic inches, of air in the balloon after t minutes. The graph of B versus t from the time the balloon springs a leak until it is fully re-inflated is shown. Make the graph of 
.
?
What will be an ideal response?
Perform the indicated operation. Simplify, if possible.
- 
+ 
A. 
B. 
C. 
D. 
Write as a decimal.84.83%
A. 8.483 B. 0.8383 C. 0.08483 D. 0.8483