Solve.An endangered species of fish has a population that is decreasing exponentially 
The population 7 years ago was 1900. Today, only 900 of the fish are alive. Once the population drops below 100, the situation will be irreversible. When will this happen, according to the model? (Round to the nearest whole year.)
A. 22 years from today
B. 23 years from today
C. 21 years from today
D. 20 years from today
Answer: C
Mathematics
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For the pair of vectors, find 
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What will be an ideal response?
Mathematics
Solve the equation.
= 
A. 
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B. - 
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C. 
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D. No solution
Mathematics
Perform the indicated operation. Round the result to the nearest thousandth if necessary.10.5 × 4.43
A. 46.515 B. 14.93 C. 36.015 D. 6.07
Mathematics
Simplify and add or subtract wherever possible.29
- 14
A. 15
B. 15
C. 43
D. 30
Mathematics