Answer:
4
Step-by-step explanation:
a+16=20
a=20-16
a=4
Answer:
Here you go, I think
Step-by-step explanation:
Answer:
c for plato users;)
Step-by-step explanation:
Answer:
2.6
Step-by-step explanation:
Answer:
33 degrees
Step-by-step explanation:
(4x+1) and (2x-19) add up to 180 degrees
