Their approximate heating expense would be $1,920. Hope this helps!
Answer:

Step-by-step explanation:
First distribute the -4 to the 2b and -3b. This leaves you with 
Now you can distribute the 12b to b and +4. This leaves you with 
Now you can combine your like terms leaving you with
.
Answer:
52.7%
Step-by-step explanation:
If I am correct it means to round the percentage, so it would be 58% if you are rounding it
Answer:
y=-
x+3
Step-by-step explanation: