Help please thank you

See below

Step-by-step explanation:

Problem 9:

Yes it is proportional because the vehicle is moving at a constant speed of 41 mph (as 92/2=41). So if you don't drive, your speed is 0 mph which is accurate in regards to the graph.

Problem 10:

No it is not because due to the y-intercept not being 0, y doesn't vary directly with x. However, the slope remains constant, but it's not the same thing as proportional

6 ft

Step-by-step explanation:

Since he's walking 1.2 ft per second you just multiply that by 5 to get his distance in 5 seconds which is 6 ft