A surveyor lays out a traverse with three vertices as shown. How can deductive reasoning be used to determine whether the traverse “closes”?
This traverse closes if and only if the sum of the measures of the angles in it is 180°. 30° 46' 3" + 70° 14' 40" + 78° 59' 17" = 180°. So it closes.
Mathematics
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Solve the equation for solutions in the interval [0, 2?).sin22x = 1
A. 
B. 
C. ?
D. 
Mathematics
Classify the angle as acute, right, obtuse, or straight.115.891°
A. straight B. right C. acute D. obtuse
Mathematics
Find the domain of the composite function (f ? g)(x). Write the domain in interval notation.f(x) = x + 3, g(x) = 
A. (-?, -4) ? (-4, -3) ? (-3, ?) B. (-?, -4) ? (-4, ?) C. (-?, -7) ? (-7, ?) D. (-?, ?)
Mathematics
Find the inverse of the following one-to-one function.f(x) = 2x
A. f-1(x) = 
B. f-1(x) = 2 + x
C. f-1(x) = 2x
D. f-1(x) = 
Mathematics