Answer:
In order for the appropriate answer to be given, you need to include the original measurements as well.
1) Simplified: k-6
Excluded Value: k=-10
2) Simplified: 4/k-8
Excluded Values: k=-4, k=8, k=4
3) Simplified: 10/9m
Excluded Values: m=0, m=-3
4) Simplified: a-3
Excluded Values: a=1, a=2, a=6
5) Simplified: 3/4
Excluded Value: y= 0
6) Simplified: 4-3x/2x
Excluded Values: X=0
The answer is 72
b/c 80% is equal to .80
so you do 90x.80
Answer:
c
Step-by-step explanation: