This is your perfect answer
Rise over run
find the difference between two points
Answer:
Step-by-step explanation:

The point-slope form of the equation of a straight line is:

We have:

Substitute:

Answer:
90
Step-by-step explanation:
it is 90 because in the first slot there can be any 10 numbers and in the second slot the set can contain any of the remaining 9 numbers and then we can multiply these two numbers together to find the total amount of sets.
hope this helps :)