Five aluminum cans can be recycled to make a new can. How many new cans can eventually be made from 125 aluminum cans

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

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).

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?