Answer:
x = ( k+c)/5
Step-by-step explanation:
5x - c = k
Add c to each side
5x -c+c = k+c
5x = k+c
Divide by 5
5x/5= ( k+c)/5
x = ( k+c)/5
The answer is c. they are indeed vertical angles
First one m = .0666666
second one i don't know
third one is .1
9% decrease because 145-132=13
13=9% of 145
