?Solve the system of linear equations
using the inverse matrix 
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: B
Mathematics
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Evaluate the line integral along the curve C.
ds, C is the curve r(t) = (3 sin 4t)i + (3 cos 4t)j + 5tk, 2 ? t ? 4
A. - 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the volume generated by revolving about the y-axis the area bounded by the curves:x2 - 9y2 = 9, x = 8
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Find the limit.
A. -?
B. - 
C. 1
D. 
Mathematics
Solve the problem.Four cards are numbered 1 through 4. Two of these cards are chosen at random without replacement and the numbers on them are multiplied. Find the expected value of this product.
A. 
B. 4
C. 6
D. 
Mathematics