Determine whether the graph is connected or disconnected.
A. Disconnected
B. Connected
Answer: A
Mathematics
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Rationalize the denominator.
A. 
B. 
C. 
D. 
Mathematics
Find the domain and range of the inverse of the given function.f(x) = 3.1 + 0.87x
A. Domain: [3.1, ?); range: all real numbers B. Domain and range: all real numbers C. Domain: all real numbers; range: (-?, 3.1] D. Domain: all real numbers; range: [3.1, ?)
Mathematics
Solve the problem.An airplane is sighted at the same time by two ground observers who are 5 miles apart and both directly west of the airplane. They report the angles of elevation as 15° and 
How high is the airplane?
A. 1.29 mi B. 5.14 mi C. 3.15 mi D. 2.11 mi
Mathematics
Provide an appropriate response.When solving the equation 3(B - 2) = 9, first add 2 to each side of the equation.
A. True B. False
Mathematics