Which expression is equivalent to 4/9 x 7? 4 divided by 7 x 9, | 4 x 7 divided by 9,

9 divided 4 x 7, | 7 x 9 divided by 4

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

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).