Estimate the sum or difference by first rounding to the nearest ten.31493583
A. 244
B. 240
C. 200
D. 250
Answer: D
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Solve the problem.A land developer wants to develop 8 acres of land. Each lot in the development is to be 
of an acre. How many lots will the land developer have in the 8 acres?
A. 
lot
B. 1
lots
C. 2
lot(s)
D. 28 lots
For the given expression y', find y'' and sketch the general shape of the graph of y = f(x). y' = x2(3 - x)
A. 
B. 
C. 
D. 
Use De Morgan's law to write an equivalent statement for the sentence. It is false that cats are lazy or dogs are not friendly.
A. Cats are lazy and dogs are friendly. B. Cats are not lazy or dogs are friendly. C. Cats are not lazy or dogs are not friendly. D. Cats are not lazy and dogs are friendly.
Find all square roots of the number.169
A. 26, -26 B. 13, -13 C. 14, -14 D. 15, -15