Solve the problem.Prices in an economy with a 12% annual inflation rate can be modeled by P = pert, where r is the inflation rate, t is the time in years, and p is the current price. How long will it take for prices in the economy to double at a 12% annual inflation rate?
A. 23.45 years
B. 6.78 years
C. 5.78 years
D. 9.16 years
Answer: C
Mathematics
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is less than 14.7 is less than 14. Therefore, 
is less than 7.
A. valid B. invalid
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A. 12 B. 18 C. 30 D. 10
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Find the greatest common factor, GCF, of the expressions.196, 35
A. 1 B. 7 C. 14 D. 35
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Solve the problem.Find 
(-5) when f(x) = 4x - 7 and g(x) = 2x2 + 14x + 4.
A. 0
B. 
C. 
D. - 
Mathematics