Provide an appropriate response.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 
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Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. 6 ln 
+ ln 
+ C
B. 3 ln 
+ ln 
- 
+ C
C. 3 ln 
+ ln 
+ C
D. 3 ln 
- 
+ C
Find the missing quantities as requested.Find the diameter.
A. 5.024 mi B. 8.04 mi C. 3.2 mi D. 0.8 mi
Solve the problem.A circle has a diameter with endpoints (-2, 1) and (18, 17). Find the coordinates of the center.
A. (8, 9) B. (-12, -7) C. (16, 18) D. (38, 33)
Write the expression for the general (or nth) term, an, of the arithmetic sequence.a1 = 1, d = 4
A. an = 4n + 3 B. an = n + 4 C. an = 3n - 4 D. an = 4n - 3