The cooking time for a ham is 2/5 of an hour for each pound. How long should you cook a ham that weighs 12 3/4 pounds?

David bought a poster for an art project. the poster is 2.7 feet wide and 3.9 feet tall. what is the area of the poster?

The system of equations graphed below has how many solutions? y = 2x + 2

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).