Answer:
-\frac{7}{6}
Step-by-step explanation:
We can use the slope formula for the segment that joins any two points
and
:

which in our case gives:

Answer:
171
Step-by-step explanation:
9 * 19 is 171 dollars so that's what he'll owe
The x variable, that is being multiplied.
I think laura is 10 years old and her dad is 40