Answer:
I understand your pain
Step-by-step explanation: sadge
Answer:


Step-by-step explanation:
<em>The question is mixed up with details of another question. See comment for original question</em>
<em />
<u>Given</u>




Solving (a): Solve for time
We have:

Cross multiply

Make t the subject

Solving (b): Solve for distance
We have:

Cross multiply


Answer:
-3b
Step-by-step explanation:
4a - 9b - 2(2a - 3b)
= 4a - 9b -4a + 6b
= -3b
Congruent because both angles are the same