Solve the problem.One half of a number is 3 more than one-sixth the same number. What is the number?
A. 12
B. 18
C. 9
D. 8
Answer: C
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Solve the problem.Use Newton's method to estimate the one real solution of 
Start with 
and then find x2.
What will be an ideal response?
Provide an appropriate response.The following graph represents a function. Identify the independent and dependent variables and describe the domain and range.
A. The independent variable is age and the dependent variable is time, measured in years. The domain is the years between 1980 and 2004. The range is the ages between 0 and 82. B. The independent variable is time, measured in years, and the dependent variable is age. The domain is the years between 1980 and 2004. The range is the ages between 0 and 82. C. The independent variable is age and the dependent variable is time, measured in years. The domain is the ages between 0 and 82. The range is the years between 1980 and 2004. D. The independent variable is time, measured in years, and the dependent variable is age. The domain is the ages between 0 and 82. The range is the years between 1980 and 2004.
Simplify the expression. Assume that the variables are positive.
?
What will be an ideal response?
Solve the problem.An airplane is sighted at the same time by two ground observers who are 3 miles apart and both directly west of the airplane. They report the angles of elevation as 10° and 
How high is the airplane?
A. 1.12 mi B. 0.94 mi C. 2.02 mi D. 0.52 mi