Answer: It’s A
Step-by-step explanation:

I have attached the graph
Answer:
20°
Step-by-step explanation:
x+40=60 (vertically opposite angle)
or, x=60-40
or, x=20°
Step-by-step explanation:

find a common denominator of 12 for each fraction




multiply both sides by 12

12s cancel out

add three to both sides


divide both sides by 10

The tens on the left side cancel
