Identify 2 equations that have no solutions y=2x-1, y=-2, y=9-4x, y=4x+5, y=x+2, y=2x

What is the size of the matrix resulting from

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).

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches