Which of the following gives the most accurate answer for the equation of the line of best fit? PLZ HELP DUE IN 5 MIN

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

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.