Evaluate the expression.
A. 1680
B. 4
C. 70
D. 2
Answer: A
Mathematics
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Use the properties of parallel lines to solve the problem.In the figure, 
. m?ABC = 45°. Given this information, find the measures of as many other angles as possible. 
A. m?ADE = m?ACB = m?AED = 45° , m?DBC = m?ECB = 135° B. m?ADE = m?ACB = m?AED = 45° C. m?ADE = 45°, m?DBC = 135° D. m?ADE = 45° , m?DBC = m?ECB = 135°
Mathematics
Provide an appropriate response.The term of "new price" pertains to:
A. both markup and markdown B. markup only C. markdowns only after sale D. markdown only
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Find the exact value of the expression or state that it does not exist.cos-1
A. 
B. 
C. 
D. 
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If y varies inversely as x, write a general formula to describe the variation.y = 0.5 when x = 0.4
A. y = 
B. y = 5x
C. y = 
D. y = 1.25x
Mathematics