Find the length of the arc on a circle of radius r intercepted by a central angle ?. (Use ? = 3.142). (Round your answer to three decimal places.)
?
Radius r Central angle ? 27 inches 100°?
A. 
2.864 in
B. 
8.593 in
C. 
D. 
E. 
Answer: C
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Let A and B be sets with cardinal numbers, n(A) = a and n(B) = b, respectively. Decide whether the statement is true or false.n(A ? B) = n(A) - n(B)
A. True B. False
Determine the direction angle for the vector. Round to the nearest tenth of a degree.v = -4i - 3j
A. none of these B. 36.9° C. 233.1° D. 216.9°
Find the inverse of the function.f(x) = (x - 4)3
A. f-1(x) = 
+ 64
B. f-1(x) = 
+ 4
C. f-1(x) = 
D. f-1(x) = 
- 4
A surveying party traversed the boundary of an area designated as a wetland. The interior angles formed were 90°12', 132°46', 102°16', 120°40' and 94°. Determine the error, if any, in this traverse. (Remember:A traverse is the measurement of a polygonal region, made in a series of legs so that one leg is the start of the next leg and the beginning of the first leg connects with the end of the last leg.)
What will be an ideal response?