Smart about slopes help pls

1: 1

2: -1

3: 1/2

4: -3

5: 1/3

6: also 1

7: people might mix up x and y and instead of doing y rise/x rise, they might do x rise/y rise

I can't see 8 9 10 or 11 so I'm going to assume thats it. Hope this helped :)

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i

b). 4320 have a nice day