Use the right triangle shown below and find the missing length. Give an exact answer and a decimal approximation rounded to two decimal places. 
a = 11, b = 3
A. c = -
? -11.40
B. c = 
? 11.40
C. c = 99
D. c = 130
Answer: B
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Find the natural domain of the function.f(x, y) = 
A. All points in the x-y plane except (0, 0)
B. All points in the x-y plane except 
C. All points in the x-y plane except x = 0
D. All points in the x-y plane
Express the graph shown using interval notation. Also express it as an inequality involving x.
A. [-4, -2] -4 ? x ? -2 B. [-4, -2) -4 ? x < -2 C. (-4, -2] -4 < x ? -2 D. (-4, -2) -4 < x < -2
Provide an appropriate response.Without multiplying by the least common denominator and solving, explain why the rational equation 
has no solution. (Hint: Examine both numerators and denominators carefully.)
What will be an ideal response?
Solve the problem.The following chart shows e-Train Company's expenses by department for each of the first six months of the year.
A. 
B. 
C. 
D. 