Answer:
I think the answer is B
Step-by-step explanation:
So what we know from that is that angle is 30 degrees south of west. so you go 30 degrees down from west. How can we do this? well <span>basically what you have to do is to break down the force into x and y component. The y component of large force and the y component of small force should cancel so that the boat doesn't go north and south and the x components of both the forces should add up so that it goes west only.</span>
Additive indentity

n = 1
a variable is always a number itself remember 7+n
5+2 = 7