200+100+200+100=$600.
Hope this helps and please give brainliest!
Answer:
4 hours
Step-by-step explanation:
Distance / Velocity = Time
In this case, 8 / 2 = 4
I think yes it's correct but I'm not sure.
Answer:

Step-by-step explanation:
Convert both lists to point slope form.

Use Substitution

Plug in X to solve for Y


Answer:
I. x + y = 9
II. x = 3
III. y/c = 1/4 --> y = 1/4*c
II and III in I
3 + 1/4*c = 9 --> c = 24