Answer:
Following are the solution to the given question:
Step-by-step explanation:
For question 1:
Calculating the speed between A and B:
For question 2:
Calculating the speed between B and C:
For question 3:
In this the speed between A and B is the double to speed between B and C.
I’m not really sure but I think if u search it up u would get it
Answer:

Step-by-step explanation:
we know that
----> by supplementary angles (form a linear pair)
Solve for x
Combine like terms

subtract 99 both sides

Divide by 3 both sides

Forty two plus sixty three that's your answer