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Let be equal 7 , what is the value of the expression 4b^2+b-5?
answered
Apr 25, 2018
Mathematics
middle-school
3
votes
19.8k
views
What is a hazard and how has human population and settlement increased the effects of hazards?
answered
Mar 4, 2018
Geography
high-school
6
votes
105k
views
Only some organs contain cells true or false
answered
Sep 27, 2017
Biology
middle-school
4
votes
27.9k
views
If you examine a rock sample and observe fossils in it, what type of rock does the sample represent? A.) igneous B.) metamorphic C.) sedimentary D.) fossils are found in several of the types listed above
answered
Jan 14, 2017
Biology
high-school
7
votes
56.3k
views
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