Solve the problem.The logistic growth model 
represents the population of a species introduced into a new territory after t years. When will the population be 80?
A. 10.74 yr
B. 0.1 yr
C. 3.48 yr
D. 14.12 yr
Answer: D
Mathematics
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Convert the numeral to Egyptian form.367
A. 
B. 
C. 
D. 
Mathematics
Use the given information to find the exact value of the expression.cos ? = - 
, ? lies in quadrant III, and sin ? = 
, ? lies in quadrant II
Find cos (? + ?).
A. 
B. 
C. 
D. 
Mathematics
Without solving, determine the character of the solutions of the equation in the complex number system.x2 + 8x - 3 = 0
A. two complex solutions that are conjugates of each other B. a repeated real solution C. two unequal real solutions
Mathematics
Simplify the expression by using the order of operations.12 ? 
- 15 ? 
A. 927 B. 837 C. 153 D. 63
Mathematics