Answer:
-10a + 2b - 3c
Step-by-step explanation:
hope this helps :)
Answer:

Step-by-step explanation:
Simplify the radical by breaking the radicand up into a product of known factors.
Like this :
The answer is 3
Multiply 6 by 3 to get the total amount of money for the books then minus the answer 18 which you get from 6 x 3 = 18
Then minus 18 from 21 to get $3
21 - 18 = 3
Answer is in the photo. I can't attach it here, but I uploaded it to a file hosting. link below! Good Luck!
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