Solve the equation for all values of x by completing the square.
2x^2-6=-4x

Let w=23 . what is the value of w + 45 ?

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).

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.