Answer:
(x, y)= (-3, 4)
Step-by-step explanation:
eliminate the variable by adding the equations
X ≥9 years after 2009.
Y=4x+4
Y-4=4x
X=(Y-4)/4
Y=number of U.S. households, in millions.
Y≥40
Y-4≥36
(Y-4)/4≥9
So, X≥9.
The third one
4 units
i took the test :) gl
