Use the distributive property to write an equivalent expression.
4(p - 7q+3)

Let r = 3. what is the value of r + 58?

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).

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !