Answer:
what subject is this for
Step-by-step explanation:
Answer:

Step-by-step explanation:
we know that
The solution of the inequality is the shaded area below the solid line (the inequality is of the form
)
The y-intercept of the solid line is (0,2)
The x-intercept of the solid line is (-4,0)
The slope of the solid line is

The equation of the solid line is 
therefore
The linear inequality represented by the graph is

Download Photomath and there
(b) , because if you expand 3(n+6), it is
(3×n)+(3×6) = 3n+18
hope this helps! :)))
1) 3.8x + 5.2x - 6.7 = 11.3
9x = 11.3 + 6.7
9x = 18
x = 18/9
x = 2
2) 7.8y - 4.9 - 5.4y = 2.3
2.4y = 7.2
y = 7.2/2.4
y = 3
3)



Multiply by 3 by both sides:

Simplify:
2x = 18
x = 18/2
x = 9
4)

Do lowest common denominator:



Simplify by 5 by both sides:

