Adding a negative number yields the same result as subtracting a positive number.
true
or
false

How to write 3 tenths and 5 tenths as a decimal

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).

[15 points, algebra 2]simplify the complex fraction and find the restrictions.