Simplify the expression.
?
- 14 + 8
?
A. 6
B. - 6
C. - 22
D. 14
E. 22
Answer: B
Mathematics
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Solve the problem.A bacterial culture has an initial population of 10,000. If its population declines to 7000 in 2 hours, what will it be at the end of 4 hours? Assume that the population decreases according to the exponential model.
A. 4900 bacteria B. 1500 bacteria C. 9031 bacteria D. 2450 bacteria
Mathematics
Solve the equation.
- 
= 3
A. {3, 8} B. {-2} C. {2, 38} D. {2}
Mathematics
Find the inverse of the matrix.
?
What will be an ideal response?
Mathematics
Solve the problem.The data below represent the average monthly cost of natural gas in an Oregon home. 
Above is the graph of 47.35 sin x. Make a scatter diagram of the data. Find the sinusoidal function of the form 
which fits the data.
What will be an ideal response?
Mathematics