Determine the order of the matrix.
A. 1 × 4
B. 4
C. 1
D. 4 × 1
Answer: A
Mathematics
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Add or subtract as indicated. Write the answer in simplest form.
+ 
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation.95.4 + 80.04 + 14.396
A. 190.836 B. 189.836 C. 189.846 D. 189.936
Mathematics
Evaluate.(-6)2 - (-5)3
A. 89 B. -161 C. -89 D. 161
Mathematics
The population of a country is now 60 million with a 2% per year death rate and a 1% per year birth rate. Each year 50,000 people immigrate to the country. Let yn be the population (in millions) of the country at the end of year n. Find a difference equation satisfied by yn.
A. yn = 0.99yn-1 + 0.05, y0 = 60. B. yn = 1.01yn-1 - 0.05, y0 = 60. C. yn = 1.01yn-1 + 0.05, y0 = 60. D. yn = 0.99yn-1 - 0.05, y0 = 60. E. none of these
Mathematics