Write the system of linear equations represented by the augmented matrix. Use x, y, and z as the variables.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the length of the curve.The curve r = 3
, 0 ? ? ? 
A. 
(? + 2)
B. 3(? + ln(? + 
))
C. 
?
D. 2?
Mathematics
Find the sum Sn of the first n terms of the geometric sequence. 3, -9, 27, -81, 243, . . . ; n = 10
A. -44,279 B. -44,286 C. -44,292 D. -44,288
Mathematics
Find the natural logarithm.ln 
A. 
B. 7e
C. 7
D. 
Mathematics
Solve the problem.A wheel with a 14-inch diameter is turning at the rate of 41 revolutions per minute. To the nearest inch per minute, what is the linear velocity of a point on the rim?
A. 1,803 in./min B. 1,856 in./min C. 1,849 in./min D. 1,810 in./min
Mathematics