Solve.The space in a landfill decreases with time as given by the function F(t) = 290 - 30 log5 (4t + 1), where t is measured in years. How much space is left when t = 31?
A. 110
B. 380
C. 200
D. 210
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Solve the proportion.
= 
A. 6 B. 7 C. 42 D. 35
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Solve the equation.3(2n - 4) = 5(n + 4)
A. 32 B. 11 C. -8 D. 8
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Express as a single logarithm and, if possible, simplify.6logc x - logc y
A. logc 
B. logc (x6 - y)
C. logc x6 ÷ logc y
D. logc 
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