Answer:
r = -20
Step-by-step explanation:
–7r= –8r−20
<em>Add 8r to both sides</em>
r = -20
I think you add two more every row so there would be 13 in the 7th row
The answer should be E. 223- 6s = 0
Answer:
LBC is 75 degrees
Step-by-step explanation:
When you follow the angle measurements from the first and when one line equals 180, figuring out the other angle measurements can determine the answer for LBC.
