Answer:
<h2><u><em>
r = 6</em></u></h2>
Step-by-step explanation:
two step equation
1 - r = -5
r = -5 + (-1)
r = 6
------------
check
1 - 6 = -5
-5 = -5
the answer is good
The answer would be D 196
The value of the missing length is 20
Let the missing length be x
From Parallel lines and transversal theorem, we have that
If three or more parallel lines intersect two transversals, then they cut off the transversals proportionally.
Then, we can write that

∴ 
x = 20
Hence, the value of the missing length is 20
Learn more here: brainly.com/question/24258397
Answer: 301
Step-by-step explanation:
Answer:
The second one
Step-by-step explanation:
B c A
Because B has c and a, which is part of A (A={a, b, c})