The slope of the line is 
First, you must find 2 points.
(-6,8) (-2,5)
Then, you must substitute the value of the points in.

Finally, simplify the fraction.

Answer:
No
Step-by-step explanation:
Speed: 300 mi/hr, Gives how fast you go
Velocity: 300 mi/hr west, includes speed and direction
Acceleration: No, it does not say a starting speed or if it was a constant speed.
Hope this helps :)
Answer:
284.72
Step-by-step explanation:
there you go
that will be your answer.
B - $78,200.00
Maybe ask google for help