the distance d in feet that a dropped object falls in t seconds is given by the equation d divided by 16 equals t to the 2nd power. How long does it take a dropped object to fall 64 feet?

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).

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

100 points? me its important ‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️