What exactly are you looking for? Do you want the answer to all of them?
Answer:
m = 
Step-by-step explanation:
Two point slope formula = 

Answer:
Slope is 1
Step-by-step explanation:
64 dollars is the tax, the total cost would be $864.
Use this for percentages.
https://percentagecalculator.net/
Answer:
They have a 0 in the ones place
Step-by-step explanation:
Because you start with 10, you will always have a 0 at the end.
30, 90, 270, etc.