Answer:
18% if it is the rate of change.
0 if solved
Step-by-step explanation:
Sorry, but you need more information
Answer:





Step-by-step explanation:
Solving (a):
7x - 19 and 3x + 14 are interior angles.
So:

Collect like terms



7x - 19 and 5y - 2 are equal angles --- corresponding angles
So:

Make 5y the subject

5y = 7x -17
Make y the subject

Substitute 



Solving (b):
The triangle is right-angled.
So:

Collect Like Terms



Answer:
You can used it to help me out with a good time with this and
Step-by-step explanation: