Keisha runs 12 miles in 98 minutes. how many miles does she run per minute?

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).

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Will give a: 122 b: 90 c: 48 d: 180