Calculate. Write answer in lowest terms.
- 
A. 1
B. 2
C. 
D. 11
Answer: A
Mathematics
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Evaluate the line integral.
; C is the curve x = 3t, y = (5 cos 
t), z = (5 sin 
t), 0 ? t ? 
?
A. 
?2 + 
B. 
+ 
C. 
?2 + 25
D. 
?
Mathematics
The given number expresses angle measure. Express the measure in terms of degrees.
A. 135° B. 110° C. 100° D. 120°
Mathematics
Answer the question.Consider a function f(x, y, z), where the independent variables are constrained to lie on the curve 
(t) = x(t)i + y(t)j + z(t)k. What mathematical fact forms the basis for the method of Lagrange multipliers?
A. ?f?
= 0
B. ?f??g = 0
C. ?g = 0
D. f approaches a local extremum as ? ? 0.
Mathematics
Solve.Approximately 20.9% of all students at a city college commute to school. Write this percent as a fraction or mixed number in simplest form.
A. 
B. 20
C. 
D. 2
Mathematics