Provide the requested proof.In the figure below, AB = AE, AC = AD and 
is perpendicular to 
. Prove that 
What will be an ideal response?
Answers will vary. A sample correct response would be as follows.
By HL, 
, and so 
. Thus 
. Similarly, by HL, 
, and so 
. It follows (by subtraction) that 
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Divide. Write a mixed numeral for the answer.-2
÷ 11
A. - 
B. - 
C. - 
D. - 
Determine the domain and range.
A. Domain: {x|x ? 0}; range: all real numbers B. Domain: all real numbers; range: all real numbers C. Domain: {x|x ? -6}; range: {y|y ? 3} D. Domain: all real numbers; range: {y|y ? 0}
Two models, 
and 
, are given for revenue (in billions of dollars per year) for a large corporation. Both models are estimates of revenues for 2007 through 2011, with t = 7 corresponding to 2007. Which model is projecting the greater revenue? How much more total revenue does that model project over the five-year
period?
?
A. The model 
projects greater revenue than 
.
$16.56 billion
B. The model
projects greater revenue than 
.$14.40 billion
C. The model
projects greater revenue than 
.$18.00 billion
D. The model
projects greater revenue than 
.$17.10 billion
E. The model
projects greater revenue than 
.$16.74 billion
Use rational exponents to simplify. Do not use fraction exponents in the final answer. Assume that even roots are of nonnegative quantities.
A. x4
B. 
C. 
D. x7