Step-by-step explanation:

Is there a formula to this question maybe it will help?
(f-g)(x)= 10x+3 -(-7x-4)
Distribute negative into the parenthesis
10x+3 +7x+4
Combine like terms...
17x+7
Hope it helps
+18. A square root always has two answers, a positive and a negative
Answer:
Step-by-step explanation:
1. commission
2. percent
3. repeating decimal
4. terminating decimal
5. tip