Find the requested sum of the arithmetic sequence.Find the sum of the first 397 positive integers.
A. 157,609
B. 79,003
C. 78,606
D. 158,006
Answer: B
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Find the complete factorization of  figure 1.png)
What will be an ideal response?
Solve the problem.The amount of particulate matter left in solution during a filtering process decreases by the equation 
where n is the number of filtering steps. Find the amounts left for n = 0 and 
(Round to the nearest whole number.)
A. 1000, 63 B. 500, 63 C. 500, 16 D. 500, 4000
Identify the illustrated property.
?
?
?
A. identity property B. inverse property C. distributive property D. associative property E. commutative property
Change the measurements on this scale drawing to decimals and round them to the nearest tenth of an inch. src="https://sciemce.com/media/4/ppg__tttt0623191133__f1q50g6.jpg" style="vertical-align: -17.0px;" /> in. length b is:
A. 0.2 in.
B. 0.3 in.
C. 0.1 in.
D. 0.4 in.
a 4
in. b 
in. c 
in. d 
in. e 2