Answer:
23b because a cancels out
Step-by-step explanation:
20b-10b is 10b
10a+3a is 13a
10b+13a
the expected value is -$1
Pretty sure it's 27
(2 4= 8) + 3 (4 4= 16)=27
there is the answer and how to answer it
You should put it on Candice.