Check the addition. If the answer is incorrect, find the correct answer.
1669
A. Incorrect; should be 1656
B. Incorrect; should be 1756
C. Correct
D. Incorrect; should be 1679
Answer: D
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Solve the problem.Find the point on the sphere 
that is farthest from the point 
A. 
B. 
C. 
D. 
Solve the problem.Since 1960, the median age of men at their first marriage in a certain community has steadily increased. If x represents the the median age of these men at their first marriage, then x can be approximated by the formula 
+ 24.1, where t represents the number of years since 1960. What is the median age of men who are married for the first time in 2003? Round to the nearest hundredth when appropriate.
A. 24.71 years B. 1062.53 years C. 50.33 years D. 1036.91 years
Divide to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.4
÷ 3
A. 1
B. 2
C. 1
D. 1
Find the LCD for the given fractions.
and 
A. 336 B. 1344 C. 224 D. 672