Identify the number as real, complex, pure imaginary, or nonreal complex. More than one of these descriptions may apply.-3 - i
A. real, complex
B. complex, pure imaginary
C. none of these
D. complex, nonreal complex
Answer: D
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A. No B. Yes
Find the volume of the sphere satisfying the given condition. Approximate values to the nearest tenth.radius = 3.5 in.
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Solve the problem.Ariel, a marine biologist, models a population P of crabs, t days after being left to reproduce, with the function 
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