Answer:
Y = -2x + 4
Step-by-step explanation:
6x + 3y = 12
3y = -6x + 12
When dividing both sides of the addition problem get divided by 3, so
y = -2x + 4
Its c i use the calcuatior
25 root 3 divided by 2
Base is 5. Height is 5 root 3
Multiply then divide by 2
$29.40 ........ 40x0.3=12....... 40-12=28...... 28x1.05= $29.40