34 x 2 = 17 x 4
answer = 4

This line is in the format
, where
is the slope.
A horizontal line has a slope of
.
A vertical line has an undefined slope.
A positive slope makes the line go upwards and to the right.
<em>A negative slope makes the line go downwards and to the right.</em>
There are 8000 millimeters because 1 liter is also 1000 millimeters