Write in standard form the equation of the line that has a slope of 2 and that passes through ( 3, -1) explain !

Standard form.



Where m is the slope and n is the point where x=0. Then, you have,


To obtain n use the point they give you,



So n=-7 and then

Ican't do any of the other stuff, but i can get you started. the answer, i believe, is $2.50.

20 percentage, you can also do it on a calculator.