B is the awser to the questioning of this College Work
I quickly did this on paper and here is my answer I’m not 100% sure I’m correct but here it is
In 1 hour the boats will be 15 miles apart. In 3 hours the boats will be 45 miles apart.
Hope this helps :D
Answer:
90
Step-by-step explanation:
100%-10%=90%
90%->81
10%->9
100%->9+81=90
<span>If the relationship is x+4 then
f(5)=5+4
f(5)=9
as an example
</span>
Point slope form of a line:

where

is your slope and

is a point on your line.
For a line with a slope of 3/5 that passes through (10, -2)...

Let's plug these values into our formula.

Subtracting by a negative is the same thing as adding (the double negatives cancel), so let's simplify that.

There's our equation in point-slope form. (keep in mind that you're not going to want to distribute that 3/5 or subtract the 2 or anything. You want to keep it similar to the formula.