First you have to do

.
Since the car is moving at a constant rate, the answer would be
8h.
Answer:
about $0.20 per kilowatt-hour. i hope this helps
Step-by-step explanation:
Step-by-step explanation:
9(p-4) = -18
9p - 36 = -18
9p = -18 + 36
9p = 18
p= 18/9
p = 2
Check:
9 ( 2 - 4 ) = - 18
9 (-2) = - 18
- 18 = - 18
✓
Answer: letter D. Most of the mass of an atom comes from elctron cloud
Step-by-step explanation: your welcome and have a good day