What is the cube root of 64i

a) 4 cis 30 degrees, 4 cis 150 degrees, 4 cis 270 degrees

b) 4 cis 60 degrees, 4 cis 180 degrees, 4 cis 300 degrees

c) 1, -1, -i

d) 4 cis 0 degrees, 4 cis 120 degrees, 4 cis 240 degrees

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

What is the multiple zero and multiplicity of f(x) = (x ? 3)(x ? 3)(x + 5)? multiple zero is 3; multiplicity is 2 multiple zero is 5; multiplicity is 1 multiple zero is ? 5; multiplicity is 1 multiple zero is ? 3; multiplicity is 2

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?