I believe angles R and Q are corresponding, as well as angles P and S. The angles correspond with one another because the rings match up with one another. R and Q both have one ring, and P and S both have two rings.
Answer:

Step-by-step explanation:
divide each by x
Answer:
50%
Step-by-step explanation:
3450 - 2300 = 1150
1150/ 2300 × 100 = 50
|12| ÷ 2 • |-5|
= 12 ÷ 2 • 5
= 6 • 5
= 30
Absolute values just make the number positive if it is negative. The number stays positive if it’s positive.