Please I real really need help for this right now

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

If jm equals 5x -8 and lm equals 2x -6 which expression represents jl

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)