Step-by-step explanation:
Y=-4x+3
2x+3y=19
2x+3(-4x+3)=19
2x-12x+9=19
-10x=10
X=-1
y=-4*(-1)+3=4+3=7
x=-1 y=7
Answer:
12
4hoursx3 temp increase=12
Answer: C
11
13 + 9 = 22
22/2 = 11
1/2 log2
I hope you understand