Answer:
cheryl
Step-by-step explanation:
Answer:
y= 25x+500
y=30x+400
20
standard machine
Step-by-step explanation:
just did it on edge!! :D
Electric current is the movement of the electrons caused by potential
difference. For example, in a circuit, the electrons in the bulb will not move
without the potential difference or voltage. When there is voltage, electric
current occurs because there is a driving force for the electrons in the wire
to move.
Answer:
(a-4)x-b+9
Step-by-step explanation:
hope this helps