Krystal is asked about her age. She answers as follows. "My age is 2 years less than three times the age of my younger brother. The sum of our ages is 46 years."

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).

Which of the following points is collinear with (-2,1) and (0,3)

Full year - williamshow many square inches are in 60 square feet? 5 square inches72 square inches720 square inche8.640 square inches