A welder needs to complete 130 welds. If 96 have been completed so far, what is the percentage completed? Round to the nearest tenth of a percent if necessary.
A. 13.5%
B. 94.2%
C. 68.3%
D. 27.1%
E. 73.8%
Answer: E
Mathematics
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Find the sum of the geometric series for those x for which the series converges.
A. 
B. 
C. 
D. 
Mathematics
Find the arc length parameter along the curve from the point where t = 0 by evaluating 
r(t) = (etcos t)i + (etsin t)j + 8etk
A. 
et - 
B. 
et - 
C. 
et - 
D. 
et - 
Mathematics
Establish the identity.
= 
What will be an ideal response?
Mathematics
Solve.Andrew received an inheritance of $40,000. He invested part at an annual rate of interest of 8% and the rest at 10%. If the total annual earnings were $3400, how much money was invested at 8%?
A. $30,000 B. $36,600 C. $15,000 D. $29,000
Mathematics