A rectangular room is 4
meters longer than it is wide, and its perimeter is
24
meters. Find the dimension of the room.

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

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).

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?