Answer:
12
Step-by-step explanation:
40/100*30
=12
B
Addition property of equality because you add the two terms together to get what is below
1. m= 3/4
b= -7
2. 6x-4y = 20
-4y = -6x+20
y = 3/2x-5
m=3/2
b= -5
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