d
Step-by-step explanation:
Answer:
59
We know that all the angles must add up to 180
so we have
38+2b-20+b-15=180
solve for b
3b+3=180
3b=177
b=59
47
I believe it's $8.44 hope this helps
lol
That's about as much as you can simplify this problem.
I hope this helps! :)