In the figure below, AB || CD. Are ? AOB and ? COD similar triangles?
A. Yes
B. No
Answer: A
Mathematics
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Integrate the function f over the given region.f(x, y) = 
+ 
over the trapezoidal region bounded by the x-axis, y-axis, line 
and line 
A. 55 B. 115 C. 75 D. 45
Mathematics
Evaluate.
A. 39 B. -39 C. 573 D. -309
Mathematics
Simplify. Assume that each variable is nonnegative.
? 
A. 9
B. 9
C. 9x2
D. 9x
Mathematics
Solve for x.
> 4
A. - 
< x < 
B. x < - 
or x > 
C. - 
< x < 
D. x < - 
or x > 
Mathematics