There are 7 iPads and 6 Chromebooks in class. The ratio is 7:6. What fraction of devices are Chromebooks? *

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).

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form