Multiply to obtain an equivalent expression. Do not simplify.
? 
A. x + 81
B. 
C. 
D. 
Answer: D
Mathematics
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Use the properties of radicals to simplify the following expression.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Choose the model that matches the described situation.The distance a fisherman is from shore if he sits anchored 500 yards out for 30 minutes and then rows to shore at a constant speed for 45 minutes.
A. 
B. 
C. 
D. 
Mathematics
Solve the inequality. Graph the solution set.|x| + 6 ? 10
A. (-?, -4] ? [4, ?)
B. (-?, 4]
C. (-?, 16]
D. [-4, 4]
Mathematics
Find the median for each data set.58, 39, 222, 117, 282, 246, 241
A. 172 B. 117 C. 241 D. 222
Mathematics