Use Method I to simplify the complex rational expression.
A. k - 6
B. 
C. 
D. 
Answer: C
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Use exponential regression to provide an approximate model for the following data. Round your answer to two decimal places. t 1.80 4.50 6.98 9.70 11.97 y 19.83 14.03 10.03 7.67 5.59?
A. ?
B. 
C. ?
D. ?
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. Make a graph of B versus t from the time the balloon springs a leak until it is fully re-inflated.
What will be an ideal response?
Solve the problem.It is determined that 25% of the student body of Piper School attended an 
assembly. If 144 students attended the assembly, how many students are enrolled at the school?
A. 573 B. 580 C. 576 D. 588
Solve.-12 ? -2c + 4 < -4
A. -8 ? c < -4 B. 4 ? c < 8 C. -8 < c ? -4 D. 4 < c ? 8