Answer:
1 ft
Step-by-step explanation:
From the diagram;

Therefore

Also, AB=8+2=10ft, AD=8ft, AE=4ft. We substitute to get:

Simplify to get:

But AC=AE+EC
This implies that,
5=4+EC
EC=5-1
EC= 1 ft
Answer:
A
Step-by-step explanation:
Answer:
Constants
We call them constants because their value never change. Since there are no variables in the term that can change its value.