So the answers are :
A: 5 seconds
and
B: 10 seconds
Answer: x 50 y 5
Step-by-step explanation: In the graph
It should be 140 degrees.
If There is a math equation you can use math-way.
Also it would help if you can take a better picture.
Once you take a better picture I promise i will try my best to answer the question.
The Answer is: 4.73
34.14 - 5.76
28.38 / 6
4.73