Answer:
17.5
Step-by-step explanation:
x(x-4)=140
2x=140/4
2x=35
x=35/2
x=17.5
80
Pentagon A B C D E is reflected across the X-axis to form pentagon A B C D.
A
This notation says that x+x+x+x+37=69
This can be simplified to say 4x+37=69
13
See attachment