Find the product of the polynomials.(x + 3)(x2 - x + 8)
A. x3 + 24
B. x3 + 4x2 + 11x + 24
C. x3 + 2x2 + 5x + 24
D. x3 + 2x2 + 24
Answer: C
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Determine if a correlation exists at the indicated level of significance.
?? = 0.01
A. Correlation does not exist. B. Correlation exists.
Solve the problem.The annual population density of a species of insect after n years is modeled by a sequence. Suppose that the initial density of insects is 678 with r = 0.8. Write a recursive sequence that describes this data, where an denotes the insect density during year n.
A. an = 0.8 an-1 , a1 = 678
B. an = 0.8 an+1 , a1 = 339
C. an = 0.8 + an-1 , a1 = 678
D. an = 
, a1 = 678
Multiply.
?
A. 
B. 81xy2
C. 
D. 
Solve the problem.At the start of a chemistry experiment, Sarah measured the temperature of a liquid to be 
At the end of the experiment, it had risen 
What was the liquid's temperature at the end of the experiment?
A. -60° C B. -22° C C. 60° C D. 22° C