Rationalize the denominator. If any variables are present, assume that they represent nonnegative numbers, and assume that the denominator is not zero.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.The battleship USS Tennessee is 130 miles due south of the destroyer USS Alaska and is sailing north at 40 mph. If the USS Alaska is sailing east at 25 mph, how far apart will the ships be when that distance is at a minimum? Round your answer to the nearest tenth of a mile.
A. 17.8 miles B. 42.5 miles C. 68.9 miles D. 84.3 miles
Mathematics
Evaluate.
÷ 
- 6 ? 
2
A. - 
B. - 
C. - 
D. - 
Mathematics
Provide an appropriate response.Is x2 + y2 + 2x + 2y - 14 = 0 the equation of a circle or parabola?
A. Circle B. Parabola
Mathematics
Add.Add 46, 5.6, 15.321, and 5.20.
A. 72.221 B. 73.121 C. 72.122 D. 72.121
Mathematics