Answer:
1
Step-by-step explanation:
it is an identity. hope it helps
Answer: 19 units
Step-by-step explanation:
Count from A down then the left until you reach B.
They only have 1 common point
Answer:
C. 15
Step-by-step explanation:
The following proportional can be set-up for the figure given:

Solve for x


Cross multiply


15 = 6x - 5x
15 = x
x = 15