Answer:
take one finger and than the other and how may fingers do you have now 2
2(b-5)+7b-4
Solve 2(b-5) to get 2b-10
Combine your like terms 2b-10+7b-4
Solve 2b+7b to get 9b
Solve -10+(-4) to get -14
So your answer is
9b-14
Answer:
5
Step-by-step explanation:





= 5
15.6 kilometers rounded down because it is not safe to go above what has been approved