A line that includes the point (2,8) has a slope of 2 What is its equation in slope-intercept form? Write your answer using integers, proper fractions, and improper fractions in simplest form.

Ihonestly don’t understand this at all

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).

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.