Solve the problem.The expression 7.68t + 8.1 can be used to predict the average number of e-mail messages, in billions, each day in Country X, t years after 2000. Predict the average daily number of e-mails in Country X in the year 2003.
A. 14.94 billion
B. 31.14 billion
C. 15,391.14 billion
D. 18.78 billion
Answer: B
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Find the slope and y-intercept of the line.y = 6x - 4
A. slope = 6; y-intercept = - 4
B. slope = 
; y-intercept = 4
C. slope = - 4; y-intercept = 6
D. slope = - 6; y-intercept = 4
Multiply and simplify. Assume that all variables represent positive real numbers.(
+ 
)(
- 
)
A. 8 - 2
B. 8 - z
C. 8z
D. 8 - 2
Assume that 
, 
and that U is the universal set of natural numbers less than 11. Find
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?
A. 
B. 
C. 
D. 
E. 
Rank the choices as requested.An airline is deciding which type of movie to show during a flight. The passengers are asked to rank the following four choices: (A)ction, (C)omedy, (M)usical, and (Drama). The results are summarized below.Number of Ballots
Rank the four choices using the plurality-with-elimination method.
A. C, M, D, A B. M, D, A, C C. A, M, D, C D. M, C, D, A