Emmanuel added 8 links per minute to his chain mail. alesia started 20 minutes after emmanuel and added 13 links per minutes to get chain mail. how long had emmanuel worked with alesia caught up to him, and how many links had to be added?

Without graphing the linear functions, find the coordinates of the point of intersection of their graphs: y=3x−11 and y=4

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

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).