Simplify the expression.
?
?
A. 1
B. 
C. 
D. 
E. 
Answer: B
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On a rectangular wall WXYZ under construction, a diagonal 
serves as a brace. If YX = 8 ft and WX = 12.5 ft, find the measure of the angle formed by 
and .Provide answer to the nearest tenth of a degree.
What will be an ideal response?
Provide an appropriate response. Find the number of degrees of each angle of a regular decagon (10 sides).
A. 144° B. 10° C. 180° D. 225°
Find the domain of the function.
?
?
A. 
B. 
C. 
D. 
E. 
Provide an appropriate response.The sales manager of a department store finds that its daily sales begins to fall after the end of a promotional campaign. The sales in dollars as a function of the number of days after the campaign's end is given by S(d) = 36,000
-0.1d. If she does not want sales to drop below 30,000 per day before starting a new campaign, when should she start a new campaign?
Fill in the blank(s) with the appropriate word(s).