0.9 is the answerrrrrrrrrrrrrr
Step-by-step explanation:

Hope it will help :)
the answer to 54,000 x 10 is 540,000
Answer:
a=109° b=71°
Step-by-step explanation:
All the angles in a parallelogram add up to 360. There are a few rules:
The opposite angles are congruent.
Consecutive angles are congruent.
We can apply these rules here.
71 is opposite to b
and a is consecutive to 71 so we can put together these equations.
180=71+a
71=b
we can simplify to get the answers
the end