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Which of the following shows that polynomials are closed under addition when two polynomials 4x2 − 8x − 7 and −5x + 16 are added? 4x2 − 13x + 9 may or may not be a polynomial. 4x2 + 13x − 23 may or may
asked
Sep 15, 2017
Mathematics
high-school
2
answers
3
votes
153k
views
"How does the modern civilization located in the Indus River Valley compare to early river civilizations from that area?" in two paragraphs PlZ ANSWER PLZ PLZ PLZ IM SO LEFT BEHIND AND IM ACTUALLY CRYING
asked
Jul 7, 2017
History
middle-school
1
answer
0
votes
184k
views
Picking up sediment and moving it to another area is called ____. a. abrasion b. deflation c. deposits d. sand blasting
asked
Apr 11, 2017
Geography
high-school
2
answers
0
votes
228k
views
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