The slope is 40 and the y-intercept is 30.
Umm... What exactly are you asking for? I'm a bit confused about this question.
Answer:
A.
Step-by-step explanation:
X = the amount of water to add
10 - x = amount of 18% bleach to add
.18(10-x)= .12 x 10
1.8 -.18x =1.2
-.18x = -.6
x = 3 1/3 liters water
therefore 6 2/3 liters bleach
Well the best answer for LCD is

is 5(x+3y) and the best answer for LCD is

is 2(x+3y)
I hope this helps!