56%
subtract 13 from 30, and you get 17. Then you need to divide 17 and 30
Answer:

Step-by-step explanation:
First distribute the -4 to the 2b and -3b. This leaves you with 
Now you can distribute the 12b to b and +4. This leaves you with 
Now you can combine your like terms leaving you with
.
Answer:
This might be wrong but I think it is C
Step-by-step explanation:
Answer:
$117
Step-by-step explanation:
$90*10= $9
1 year is $9 interest, which is increase.
$9*3=$27
So than you add $27 and $90 and get $117