Which number sentence can be used to check the answer to 48+ = 6? A. O x6 = 48 B. O x 48 = 6 C. O + 6 = 48 D. O + 48 = 6​

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).

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Can someone explain to me how to do