What is the answer to these to question pls help you will get 20 points for answering it correctly, thank you

19.) D

19b.) A

Step-by-step explanation:

I know math. Trust me.

19a.

2(s+7)≤30

say s stands for the money they need for snacks.

there are 2 friends who both pay $7 and whatever s is, so we put s+7 in parenthesis to evenly distribute it between them. it has to be less than or equal to $30 because that's the only money they have

19b.

2(s+7)= 2s+14

30-14=16, so the friends have 16 between them

16 divided by 2 is 8, so the equation would be

s≤8

f is the midpoint of