Provide the requested proof.In the trapezoid below, m(?D) = m(?C). Prove that 
What will be an ideal response?
Answers will vary. A sample correct response would be as follows.
Mark points E and F on DC such that AE and BF are perpendicular to DC.
As ABFE is a parallelogram (in fact, a rectangle), 
By AAS, 
and hence 
Mathematics
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Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A bakery sold 52 pies for $4.17 each. What was the total amount of the sale?
A. $216.84 B. $217.94 C. $216.94 D. $206.94
Mathematics
Find an expression for the nth term of the arithmetic sequence.-7, -3, 1, 5, 9, . . .
A. an = -4n + 11 B. an = 4n - 11 C. an = -7 + 4n D. an = 4n + 11
Mathematics
Select the graph of the polar equation using symmetry, zeros, maximum r-values, and any
other additional points.
?
?
A. 
B.
C.
D.
E.
Mathematics