Height/width=5/19
5/19=2/x
(5)(x)=(19)(2)
5x=38
5/5x=38/5
x=38/5in or 7.6in
C.
if you multiply the 4 on each numbers inside of the parentheses then you’ll get ‘20c-8d’
In any linear equation the coefficient of the x-term represents ALWAYS the slope.
So it is B. The slope of the line