Answer:
<8, -5>
Explanation:
We know that the formula for the substraction of two vectors is:
(a, b) - (c, d) = (a-c, b - d), it means you need to subtract
If u = (-9, 4) and v= (8, -5), then the result is:
(-9, 4) - (8, -5) = (-9 -8, 4- (-5)) = (-17, 9)