Answer:
The second choice 
Step-by-step explanation:
The missing image is attached
We use the section formula:

We substitute
and m=5, n=9

We simplify to get:

This simplifies to:

In decimals we get:

In standard form the answer will be if you go by (Ax+by=c )then I must say it's 3x-7y=9
The first and last represent functions, no function has an input with two separate outputs
Answer: Jake is 9 and his dad is 33.
Step-by-step explanation: 9x3=27+6=33 9+33=42