Step-by-step explanation:

its 1/4 of the circle
circle circumference:

we need 1/4 of it, so its

4.75 Kilometers, you just divide by 1000
-9y-42x
Because they are like terms that is the lowest they can go
70% of 60 is just 60 multiplied by 0.7:

Then you add to get the total days:

So, in total, you have
102 days.
3 1/2 - 1 + 6 1/2= 9 feet is how far he walked