Form an equivalent expression by rationalizing the denominator.
A. 
B. 130
C. 
D. 9
Answer: A
Mathematics
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Simplify completely.
A. 
B. 
C. 
D. 
Mathematics
Add. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A planet travels around the sun in an elliptical orbit given approximately by 
where r is measured in miles and the Sun is at the pole. Find the distance from the planet to the Sun at aphelion (greatest distance from the Sun.)
A. 4.08 × 106 mi B. 4.08 × 107 mi C. 2.48 × 107 mi D. 1.78 × 107 mi
Mathematics
In a survey of 3000 adults 18 year old and older conducted in 2000, the following question was asked : Is your family income keeping pace with the cost of living ? The results of the survey follow :
Mathematics