Just write them the on the other side the exact same way that they are on the Y coordinate hope this helps:)
I am unsure about the very last problem but I can help with the first two
1) (y+1)+4
If we combine the numbers 1 and 4, we get +5 and can isolate the numbers from the variable.
This would give us

2) (6*r)*7
remember that we do not have to explicitly state 6*r
Instead, we can write it as 6r
this helps us get rid of the parentheses
now we can write it as

I hope this helps!:)
He drives 62 miles per hour.
And yes, you are right, (496 miles after 8 hours)
Answer:
The total earnings is $384.55
The least earnings is
$127.05
$127.95
$129.55