Acell triples every 20 minutes. if there is 2 cells at noon, how many cells will there be at 4 p. m?

Write a polynomial that fits the description: a third-degree polynomial with leading coefficient -4

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

Find the value of ax 4 ; a = 2, x = 1. select one: a. 2 b. 4 c. 1 d. 8