Solve.There are currently 57 million cars in a certain country, decreasing by 0.5% annually. How many years will it take for this country to have 39 million cars? Round to the nearest year.
A. 578 yr
B. 76 yr
C. 5 yr
D. 36 yr
Answer: B
Mathematics
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Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.163 lb = 
kg
A. 172.8 B. 414.0 C. 74.1 D. 358.6
Mathematics
Find the product.(7 - 9x)2
A. 49x2 - 126x + 81 B. 49 + 81x2 C. 49 - 126x + 81x2 D. 49 - 126x - 81x2
Mathematics
Write the formula using the "language" of variation. f-stop = f/D, where f-stop is camera setting with a lens with focal length f and diaphragm opening D
What will be an ideal response?
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics