Answer:
first problem: 1,2,4
second problem: D
Step-by-step explanation:
Answer:
I DO LOL
Step-by-step explanation:
sorry for caps
Answer:
58
Step-by-step explanation:
The system:
3 x + 4 y = 40
x + 6 y = 18,
-------------------
x = 18 - 6 y
3 ( 18 - 6 y ) + 4 y = 40
54 - 18 y + 4 y = 40
54 - 40 = 18 y - 4 y
14 = 14 y
y = $1
x = 18 - 6
x = $12
Answer: Each DVD costs: $12.
Answer:
x = 2
Step-by-step explanation:
All the red lines tell you that each side must be equivalent because the angles are aka equilateral triangle.
So, 2x+4 = 8
2x = 8-4
2x = 4
2x/2 = 4/2
x = 2