Solve for y in terms of x.log 9 x - 7 log 9 y = 3
A. y = 
B. y = ( x/729)1/7
C. y = 
D. y = ( x/3)1/7
Answer: B
Mathematics
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The population of the earth is approximately 6 billion people and is growing at an annual growth rate of 1.9%. Assuming a Malthusian growth model, find the world population in 45 years. Round your answer to the nearest tenth.
A. 12.4 billion B. 14.8 billion C. 12.1 billion D. 14.1 billion
Mathematics
Determine whether or not the equation is quadratic.(x + 2)2 = (2x + 5)2
A. Not quadratic. B. Quadratic.
Mathematics
Find the area of the polygon.4 m
9 m
A. 52 m2 B. 72 m2 C. 144 m2 D. 26 m2
Mathematics
Add.35 + 77
A. 102 B. 111 C. 113 D. 112
Mathematics