Rationalize the denominator. Simplify, if possible.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.A crew team rows in a river with a current. When the team rows with the current, the boat travels 18 miles in 2 hours. Against the current, the team rows 6 miles in the same amount of time. At what speed does the team row in still water?
A. 8 mph B. 7 mph C. 3 mph D. 6 mph
Mathematics
Provide an appropriate response.A micrometer is designed so that the screw thread makes the spindle advance 0.025 in. in one complete turn. How far will the spindle advance in 30 complete turns?
A. 75 in. B. 0.075 in. C. 7.5 in. D. 0.75 in.
Mathematics
Determine whether the statement is true or false.If a function f has an inverse function, then f is one-to-one.
A. True B. False
Mathematics
Graph the equation.(x + 4)2 + (y - 5)2 = 4 
A. 
B. 
C. 
D. 
Mathematics