Find the sum of the first n terms of the sequence.-2, 6, -18, . . . ; n = 10
A. 29,524
B. 177,148
C. - 88,574
D. 44,287
Answer: A
Mathematics
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Find the second derivative of the function.y = 
A. 
= 1 + 
B. 
= 2 + 
C. 
= 2x - 
D. 
= 2 - 
Mathematics
Write as a percent.0.00403
A. 0.000403% B. 0.0403% C. 0.403% D. 0.2015%
Mathematics
Solve the problem.A museum curator collects fossils from two different periods. He has 500 from one period and 255 from a later period. He plans to arrange the fossils in display cases so that each case contains the same number of fossils. Also, each case must contain fossils from only one period. What is the largest number of fossils that can be placed in each case?
A. 255 B. 25,500 C. 500 D. 5
Mathematics
Simplify the fraction. If the fraction is already simplified, so state.
A. 
B. 
C. 
D. simplified
Mathematics