A single cell amoeba doubles every four days. About how many days will it take one amoeba to produce a population of 1024?

Need solving this second acceleration problem.

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

Which of the following graphs could represent a cubic function?