Solve the right triangle ABC with C = 90°. Your answer should give an angle in decimal degrees when given an angle in decimal degrees and in degrees and minutes when given an angle in degrees and minutes. Use the rules for significant digits.A = 40.82°, b = 13.5 ft
A. B = 49.18°, a ? 11.66 ft, c ?17.84 ft
B. B = 49.18°, a ? 11.66 ft, c ? 20.65 ft
C. B = 49.18°, a ? 11.7 ft, c ? 17.8 ft
D. B = 49.18°, a ? 11.7 ft, c ? 20.7 ft
Answer: C
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Find at least three nonzero terms [including a0, at least two cosine terms (if they are not all zero) and at least two sine terms (if they are not all zero)] of the Fourier series for the given function.f(x) = 
A. f(x) = 6 - 
B. f(x) = 3 - 
C. f(x) = 6 - 
D. f(x) = 3 - 
Fill in the blank with the correct inequality symbol.If x < 6, then x - 6 
0.
A. ? B. > C. < D. ?
Multiply.2 ? 
A. 
B. 
C. 
D. 
Solve the system using the addition method. If the system is inconsistent and has no solution, state this. If the system is dependent, write the form of the solution for any real number x.9x - 7y = 927x - 21y = 18
A. (9, 18)
B. (3, 2)
C. 
D. Inconsistent, ?