Express the following rate as a unit rate 310 miles in 5 hours

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).

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

Rewrite the following quadratic functions in intercept or factored form. show your work. f(t) = 20t^2 + 14t - 12