For the measured quantity, state the set of numbers that is most appropriate to describe it. Choose from the natural numbers, integers, or rational numbers.The lengths of randomly cut pieces of string (measured using a ruler)
A. Integers
B. Natural numbers
C. Rational numbers
Answer: C
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Compute the unit binormal vector and torsion of the curve. r(t) = 
A. B(t) = 
, ? = 
B. B(t) = 
, ? = 
C. B(t) = 
, ? = 
D. B(t) = 
, ? = 
Determine whether the integral converges or diverges.
A. diverges,
? 
for x ? 2, 
diverges
B. converges, 
? 
for x ? 2, 
converges
C. diverges,
? 
for x ? 2, 
diverges
D. converges, 
? 
for x ? 2, 
converges
Solve the problem.The diagonal of the floor of a rectangular office cubicle is 2 ft longer than the length of the cubicle and 5 ft longer than twice the width. Find the dimensions of the cubicle. Round to the nearest tenth, if necessary.
A. width = 3.9 ft, length = 9.7 ft B. width = 9.7 ft, length = 22.4 ft C. width = 4 ft, length = 11 ft D. width = 2 ft, length = 9 ft
Solve problems by subtracting whole numbers.Pat is trading her car in on a new car. The new car costs $31,025. Her car is worth $9998. How much more money does she need to buy the new car?
A. $20,927 B. $21,017 C. $21,028 D. $21,027