Answer by JKismyhusbandbae: The mean is the average of all the numbers. You add all the numbers and divide by how many numbers you added to get the mean.
Subtract 9x from 23x yields 14x. This was done by subtracting algebraically the variables.
An=3*(4^(n-1)) is the explicit
the recursive is <span>t_n = 4 * t_(n-1)</span>
Joe.. because -1 and 5 are in joes quardrent
