1. 5.50 + 0.15 * 45 = 12.25
2. 4 + 0.20 * 45 = 13
So the first option is slightly better, you can save 13-12.25= $0.75.
It depends, because sometimes they are difficult and sometimes not ...
Have a good Saturday...
Answer:
a conductor: copper and any metal
insulator: rubber and wood
Step-by-step explanation:
We use the insulators to safely touch wire.
We use conductors to help us power things like cars and tv's.
Conductors work by letting electricity freely flow through it.
Insulators the opposite
Hope this helps buddy
