I believe its 80 if you derive it out, but there is no units of measurement.
Answer:
The RS is 6.48 in 739, 1500, 65
Hope this helps!
No we donntttt I’m struggling
It's prime because the constant term is positive and there is no middle term. If it were x^2 - 16, we could use (x+4)(x-4), but because 16 is positive, it cannot be factored