Answer:
Sorry this is late, but it could help future people. Answers are in the picture.
Step-by-step explanation:
I took the quiz. :)
Answer:
Part 1) 
Part 2) 
Step-by-step explanation:
Part 1)
we know that
The equation of the line in slope intercept form is equal to

we have

Isolate the variable y
subtract 2x both sides

Divide by B both sides

Part 2)
we know that
The equation of the line in slope intercept form is equal to

we have

Isolate the variable y
subtract 2x both sides

Divide by 8 both sides

Simplify

Answer: $3.92
STEOS TO SOLUTION: take $19.62 and divide by 5
I think that you round to 9.80 seconds. Pardon me, I didn't understand the problem well