Answer:
7. 36 8. 1 9. 21
Step-by-step explanation:
You plug in the variables in the equation.
7.
8. 
9. 
Based on the options given in the picture
The one that would be the result if we construct the line that perpendicular to KL at point M would be :
picture C
hope this helps
Use a calculator yo help you get it
W = 2. How do we find this out?
Put "w" as "2". 8-2(2)=6(2)-8
8 - 4 = 12 - 8.
Solve.
4 = 4
Hope this helps! ☺♥