Solve the nonlinear system of inequalities.x2 + y2 ? 9
+ 
? 1
A. 
B. 
C. No real solutions
D. 
Answer: A
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Evaluate the improper integral or state that it is divergent. 
A. ln 9
B. 
ln 10
C. ln 2
D. - 
ln 2
Solve the problem.A bullet is fired with a muzzle velocity of 1114 ft/sec from a gun aimed at an angle of 24° above the horizontal. Find the vertical component of the velocity.
A. 453.1 ft/sec B. 496.0 ft/sec C. 472.5 ft/sec D. 1018 ft/sec
Determine all values for the digit x that make the first number divisible by the second number. If none exist, so state. 74,3x2 is divisible by 6.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.A survey is taken to determine if Social Security should be privatized. Eight hundred players in a national bridge tournament are randomly surveyed. The survey found strong opposition to the concept of privatization. This conclusion might be invalid because
A. the size of the sample is too small. B. of the placebo effect. C. the sample is not representative of the population. D. there was no control group. E. none of these